US3390922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track pin seal
Assignee: Caterpillar Inc
•
Filing: 1967-05-22
•
Granted: 1968-07-02
•
Expires: 1987-05-22
Abstract
No abstract record available.
Inventors
- 👤 Harold L Reinsma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:23
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/3456; B; B62; B62D; B62D55/00; B62D55/08; B62D55/088; B62D55/0887
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US629515A
Cited
US1289408A
Cited
US2168053A
Cited
US2294105A
Cited
US2509436A
Cited
US2699974A
Cited
US2882103A
Cited
US3195421A
Cited
US3336086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |