Patent Application
Utility
Small
App. No. 10/002,912
· Confirmation No. 6544
COMPRESSOR EMPLOYING PISTON-RING CHECK VALVES
Inventor:
William H. Zebuhr
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-11-30 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-11-30 | SPEC |
Specification | 11 | View | |
| 2001-11-30 | CLM |
Claims | 2 | View | |
| 2001-11-30 | ABST |
Abstract | 1 | View | |
| 2001-11-30 | DRW |
Drawings-only black and white line drawings | 8 | View | |
| 2001-11-30 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
William H. Zebuhr
Nashua, NH
Attorneys & Agents of Record
Classification
USPC
417/545
B01D3/08
B01D5/0069
B01D5/0072
F04B3/00
F04B9/025
F04B25/005
F04B35/01
Prosecution
- Examiner
- FASTOVSKY, LEONID M
- Art Unit
- 3742
- Customer No.
- 25181
- Docket No.
- 105019-0013
- Confirmation No.
- 6544
Publication
- Pub. No.
- US20020037224A1
- Pub. Date
- 2002-03-28
Patent Term Adjustment
0days
RELEASE OF SECURITY INTEREST R/F 017073/0072
Recorded 2006-05-01
from
ZEBUHR, WILLIAM H.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-11-30
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Quick Facts
- App. No.
- 10/002,912
- Filed
- 2001-11-30
- Granted
- 2003-08-05
- Pub. No.
- US20020037224A1
- Examiner
- FASTOVSKY, LEONID M
- Art Unit
- 3742
- PTA
- 0 days
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