US2632987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harrow squadron hitch
Assignee: Allis Chalmers Corp
•
Filing: 1947-10-27
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Granted: 1953-03-31
•
Expires: 1967-10-27
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:03
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/046; A01B21/00; A01B21/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1329118A
Cited
US1921480A
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US2166678A
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US2149347A
Cited
US2341139A
Cited
US2303320A
Cited
US2349852A
Cited
US2402884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |