Granted Patent
Utility
US 6,569,379
· Confirmation No. 3891
CERAMIC CORE SPACER BLOCKS FOR HIGH TEMPERATURE PREHEAT CYCLES
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-09-21 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-09-21 | DRW |
Drawings-only black and white line drawings | 1 | View | |
| 2001-07-24 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-07-24 | SPEC |
Specification | 14 | View | |
| 2001-07-24 | CLM |
Claims | 5 | View | |
| 2001-07-24 | ABST |
Abstract | 1 | View | |
| 2001-07-24 | DRW |
Drawings-only black and white line drawings | 7 | View | |
| 2001-07-24 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Calvin Bates
Monroeville, PA
Daniel W. Severa
Brackenridge, PA
Joseph P. Harenski
Export, PA
Roger W. Kaufold
Pittsburgh, PA
Patricia A. Stewart
Pittsburgh, PA
Larry F. Wieserman
Apollo, PA
Attorneys & Agents of Record
Classification
USPC
266/274
Prosecution
- Examiner
- KASTLER, SCOTT R
- Art Unit
- 1742
- Customer No.
- 8840
- Docket No.
- 01-0225
- Confirmation No.
- 3891
Publication
- Pub. No.
- US20030031973A1
- Pub. Date
- 2003-02-13
Patent Term Adjustment
-120days
RELEASE OF SECURITY INTEREST
Recorded 2023-08-22
RELEASE OF SECURITY INTEREST
Recorded 2023-08-22
RELEASE OF SECURITY INTEREST
Recorded 2020-05-14
SECURITY INTEREST
Recorded 2020-05-14
PATENT SECURITY AGREEMENT
Recorded 2020-03-31
from
BATES, CALVIN,
SEVERA, DANIEL W.,
WIESERMAN, LARRY F.,
KAUFOLD, ROGER W.,
STEWART, PATRICIA A.,
HARENSKI, JOSEPH P.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-07-24
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Quick Facts
- Patent No.
- US 6,569,379
- App. No.
- 09/911,787
- Filed
- 2001-07-24
- Granted
- 2003-05-27
- Pub. No.
- US20030031973A1
- Examiner
- KASTLER, SCOTT R
- Art Unit
- 1742
- PTA
- -120 days
External Links