US2940532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Independently powered endless treads with kne action for drill supporting tractor
Assignee: Chicago Pneumatic Tool Co LLC
•
Filing: 1956-04-04
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Granted: 1960-06-14
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Earl B Lear
- 👤 Joseph J Moracco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:21
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/104; B62D55/116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1842752A
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US1903380A
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US2157711A
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US2044878A
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US2265986A
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US2391002A
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US2613061A
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US2722280A
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GB686736A
Cited
US2705127A
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US2842340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |