Granted Patent
Utility
US 6,422,479
· Confirmation No. 7170
GAUGE PLATE AND SWITCH ROD INSULATORS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2014-02-14 | IMIS |
Miscellaneous Internal Document | 1 | View | |
| 2001-08-28 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-08-28 | A.PE |
Preliminary Amendment | 6 | View | |
| 2001-08-28 | SPEC |
Specification | 8 | View | |
| 2001-08-28 | CLM |
Claims | 7 | View | |
| 2001-08-28 | ABST |
Abstract | 1 | View | |
| 2001-08-28 | DRW |
Drawings-only black and white line drawings | 8 | View | |
| 2001-08-28 | OATH |
Oath or Declaration filed | 7 | View |
Inventors
Kevin R. Adkins
Wayne, WV
William T. Urmson JR.
Valencia, PA
John S. Cooper
Irwin, PA
John W. Mospan
Pittsburgh, PA
Attorneys & Agents of Record
Classification
USPC
238/288
H01B17/58
E01B11/54
H01B17/62
Prosecution
- Examiner
- MCCARRY JR, ROBERT J
- Art Unit
- 3617
- Docket No.
- 2046-011014
- Confirmation No.
- 7170
Publication
- Pub. No.
- US20020027167A1
- Pub. Date
- 2002-03-07
Patent Term Adjustment
-16days
Parent
is a Continuation of
→
App. 09/723,354
· US 6,305,614
Filed 2000-11-27
· Patented Case
Parent
is a Continuation of
→
App. 09/089,958
· US 6,170,756
Filed 1998-06-03
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/065,519
Filed 1997-11-12
· Provisional Application Expired
KOPPERS DELAWARE, INC. (F/K/A KOPPERS INDUSTRIES OF DELAWARE, INC.),
KOPPERS PERFORMANCE CHEMICALS INC. (F/K/A OSMOSE, INC.),
KOPPERS INC. (F/K/A KOPPERS INDUSTRIES, INC),
KOPPERS PERFORMANCE CHEMICALS NEW ZEALAND LIMITED (F/K/A OSMOSE NEW ZEALAND),
OSMOSE UTILITIES SERVICES, INC.
RELEASE (REEL 033591 / FRAME 0020)
Recorded 2022-06-28
KOPPERS DELAWARE, INC.,
KOPPERS PERFORMANCE CHEMICALS INC. (F/K/A OSMOSE, INC.),
KOPPERS UTILITY AND INDUSTRIAL PRODUCTS INC. (F/K/A COX INDUSTRIES, INC.),
KOPPERS INC. (F/K/A KOPPERS INDUSTRIES, INC.)
RELEASE OF PATENT SECURITY INTERESTS
Recorded 2022-06-20
from
CONCRETE PARTNERS, INC.,
KOPPERS ASIA LLC,
KOPPERS CONCRETE PRODUCTS, INC.,
KOPPERS DELAWARE, INC.,
KOPPERS HOLDINGS INC.,
KOPPERS NZ LLC,
KOPPERS PERFORMANCE CHEMICALS, INC.,
KOPPERS RAILROAD STRUCTURES INC.,
KOPPERS VENTURES INC.,
KOPPERS WORLD-WIDE VENTURES CORPORATION,
KOPPERS, INC.,
KOPPERS-NEVADA LIMITED-LIABILITY COMPANY,
WOOD PROTECTION LP,
WOOD PROTECTION MANAGEMENT LLC
PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT
Recorded 2017-09-20
from
CONCRETE PARTNERS, INC.,
KOPPERS ASIA LLC,
KOPPERS CONCRETE PRODUCTS, INC.,
KOPPERS DELAWARE, INC.,
KOPPERS HOLDINGS INC.,
KOPPERS INC.,
KOPPERS VENTURES LLC,
KOPPERS WORLD-WIDE VENTURES CORPORATION
PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT
Recorded 2014-08-22
KOPPERS INC.,
KOPPERS HOLDINGS INC.,
KOPPERS WORLD-WIDE VENTURES CORPORATION,
KOPPERS DELAWARE, INC.,
KOPPERS ASIA LLC,
KOPPERS CONCRETE PRODUCTS, INC.,
CONCRETE PARTNERS, INC.,
KOPPERS VENTURES LLC
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AND TRADEMARKS
Recorded 2014-08-21
from
CONCRETE PARTNERS, INC.,
KOPPERS ASIA LLC,
KOPPERS CONCRETE PRODUCTS, INC.,
KOPPERS DELAWARE, INC.,
KOPPERS HOLDINGS INC.,
KOPPERS INC.,
KOPPERS VENTURES LLC,
KOPPERS WORLD-WIDE VENTURES CORPORATION
AMENDED AND RESTATED PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT
Recorded 2013-03-28
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-05-26
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Quick Facts
- Patent No.
- US 6,422,479
- App. No.
- 09/941,010
- Filed
- 2001-08-28
- Granted
- 2002-07-23
- Pub. No.
- US20020027167A1
- Examiner
- MCCARRY JR, ROBERT J
- Art Unit
- 3617
- PTA
- -16 days
External Links