Granted Patent
Utility
US 6,431,229
· Confirmation No. 2534
SOLVENTLESS PURGEABLE DIAPHRAGM VALVED MANIFOLD FOR LOW VAPOR PRESSURE CHEMICALS
Patented Case
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2017-06-30 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2001-08-24 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-08-24 | SPEC |
Specification | 14 | View | |
| 2001-08-24 | CLM |
Claims | 7 | View | |
| 2001-08-24 | ABST |
Abstract | 1 | View | |
| 2001-08-24 | DRW |
Drawings-only black and white line drawings | 2 | View | |
| 2001-08-24 | OATH |
Oath or Declaration filed | 4 | View |
Inventors
Charles Michael Birtcher
Valley Center, CA
Robert Sam Zorich
Carlsbad, CA
Thomas Andrew Steidl
Escondido, CA
Gil Vivanco
San Diego, CA
Cynthia Lee Trent
Oceanside, CA
David James Silva
San Diego, CA
Attorneys & Agents of Record
Classification
USPC
141/302
Prosecution
- Examiner
- DOUGLAS, STEVEN O
- Art Unit
- 3751
- Customer No.
- 143749
- Docket No.
- 06202 USA
- Confirmation No.
- 2534
Patent Term Adjustment
-63days
No related applications found.
RELEASE OF SECURITY INTEREST
Recorded 2019-10-07
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2017-02-20
PATENT SECURITY AGREEMENT
Recorded 2016-10-27
from
BIRTCHER, CHARLES MICHAEL,
SILVA, DAVID JAMES,
STEIDL, THOMAS ANDREW,
VIVANCO, GIL,
TRENT, CYNTHIA LEE,
ZORICH, ROBERT SAM
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-01-15
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Quick Facts
- Patent No.
- US 6,431,229
- App. No.
- 09/938,883
- Filed
- 2001-08-24
- Granted
- 2002-08-13
- Examiner
- DOUGLAS, STEVEN O
- Art Unit
- 3751
- PTA
- -63 days
External Links