US2882103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge connections for tractor tracks
Assignee: Caterpillar Inc
•
Filing: 1957-07-19
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Granted: 1959-04-14
•
Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
- 👤 Harold R Johnson
- 👤 Delmar R Lammers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:54
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/045; B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/20; B62D55/205; E; E02; E02F; E02F9/00; E02F9/006; F16C2350/00; F16C2350/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924161A
Cited
US2118961A
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US2431764A
Cited
US2431702A
Cited
GB651446A
Cited
US2680421A
Cited
FR1022051A
Cited
US2719063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |