US2719743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil seal means
Assignee: Individual
•
Filing: 1952-08-16
•
Granted: 1955-10-04
•
Expires: 1972-08-16
Abstract
No abstract record available.
Inventors
- 👤 Brummer Olin
- 👤 Elmer F Heimbuch
- 👤 Eadie Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:13
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3268; F16J15/3272
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB478136A
Cited
US2209578A
Cited
GB544732A
Cited
US2348586A
Cited
US2480116A
Cited
US2565190A
Cited
US2465175A
Cited
US2647002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |