US2621398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for and method of installing an oil seal
Assignee: SEMOUN H SIMMONS
•
Filing: 1950-07-07
•
Granted: 1952-12-16
•
Expires: 1970-07-07
Abstract
No abstract record available.
Inventors
- 👤 Virgil T Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49231; Y10T29/49233; Y10T29/49297; Y10T29/49826; Y10T29/49838; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/53; Y10T29/53657; Y10T29/53696
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1463015A
Cited
US1936454A
Cited
US1830814A
Cited
US1872600A
Cited
US2347912A
Cited
US2491776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |