US2915345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid seal
Assignee: INTERNAT PACKINGS Inc
•
Filing: 1956-06-08
•
Granted: 1959-12-01
•
Expires: 1976-06-08
Abstract
No abstract record available.
Inventors
- 👤 Woodrow I Workman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:47
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7886; F16C33/7816; F16C33/783; F16C35/00; F16C35/04; F16C35/06; F16C35/067; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3268
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1927534A
Cited
US2000276A
Cited
US2310607A
Cited
US2405122A
Cited
GB580435A
Cited
US2621091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |