US3452612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel drive mechanism
Assignee: Caterpillar Inc
•
Filing: 1967-09-06
•
Granted: 1969-07-01
•
Expires: 1987-09-06
Abstract
No abstract record available.
Inventors
- 👤 Robert Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:23
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/12; B62D55/125; B60; B60K; B60K17/00; B60K17/04; B60K17/043; B60K17/046; B60K17/36; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2529330A
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US3059505A
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US2998735A
Cited
FR79251E
Cited
US3221832A
Cited
US3150532A
Cited
US3255840A
Cited
US3382958A
Cited
US3387502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |