US2626822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil seal
Assignee: Individual
•
Filing: 1945-06-23
•
Granted: 1953-01-27
•
Expires: 1965-06-23
Abstract
No abstract record available.
Inventors
- 👤 Donald A Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:56
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248; F16J15/3252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1507567A
Cited
US1983522A
Cited
US2162104A
Cited
US2290593A
Cited
US2264970A
Cited
US2319067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |