US3246702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draft sensing device for tractor hydraulic system
Assignee: Allis Chalmers Corp
•
Filing: 1961-12-06
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Granted: 1966-04-19
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Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 Carlin Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:59
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/111; A01B63/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3003568A
Cited
US2705154A
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US2782881A
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US2779604A
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US2864121A
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US2950103A
Cited
US2974733A
Cited
US3022830A
Cited
US3022831A
Cited
DE1081263B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |