Granted Patent
Utility
US 6,508,618
· Confirmation No. 7283
PUMP HAVING DYNAMIC SHAFT SEAL
Inventor:
Robert C. Berfield
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-02-20 | TRNA |
Transmittal of New Application | 4 | View | |
| 2001-02-20 | A.PE |
Preliminary Amendment | 3 | View | |
| 2001-02-20 | SPEC |
Specification | 24 | View | |
| 2001-02-20 | CLM |
Claims | 7 | View | |
| 2001-02-20 | ABST |
Abstract | 1 | View | |
| 2001-02-20 | DRW |
Drawings-only black and white line drawings | 10 | View | |
| 2001-02-20 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Robert C. Berfield
Jersey Shore, PA
Attorneys & Agents of Record
Classification
USPC
415/56.2
Prosecution
- Examiner
- VERDIER, CHRISTOPHER M
- Art Unit
- 3745
- Customer No.
- 4743
- Docket No.
- 28076/SV827A
- Confirmation No.
- 7283
Publication
- Pub. No.
- US20010009051A1
- Pub. Date
- 2001-07-26
Patent Term Adjustment
-67days
RELEASE OF SECURITY INTEREST
Recorded 2021-01-13
RELEASE OF SECURITY INTEREST
Recorded 2017-11-21
from
SHOP VAC CORPORATION
SECURITY INTEREST
Recorded 2017-11-21
from
SHOP VAC CORPORATION
SECURITY AGREEMENT
Recorded 2013-12-31
from
SHOP VAC CORPORATION
SECURITY AGREEMENT
Recorded 2007-08-09
from
SHOP VAC CORPORATION
NOTICE OF GRANT OF SECURITY INTEREST
Recorded 2003-01-29
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Quick Facts
- Patent No.
- US 6,508,618
- App. No.
- 09/788,780
- Filed
- 2001-02-20
- Granted
- 2003-01-21
- Pub. No.
- US20010009051A1
- Examiner
- VERDIER, CHRISTOPHER M
- Art Unit
- 3745
- PTA
- -67 days
External Links