US3480338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seals for track link assemblies
Assignee: Caterpillar Inc
•
Filing: 1967-11-13
•
Granted: 1969-11-25
•
Expires: 1987-11-13
Abstract
No abstract record available.
Inventors
- 👤 Donald F Durham
- 👤 Duane L Burk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:14
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/088; B62D55/0887; F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/344
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2341900A
Cited
US2699974A
Cited
US2906562A
Cited
US3050346A
Cited
US3244457A
Cited
US3392984A
Cited
US3390923A
Cited
US3336089A
Cited
US3402974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |