US2534971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implement coupling
Assignee: Individual
•
Filing: 1945-12-28
•
Granted: 1950-12-19
•
Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 Henriod Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:21
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE174033C
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DE207138C
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US1807731A
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CH3871A
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GB129544A
Cited
US1467894A
Cited
US1864639A
Cited
FR660922A
Cited
US1800284A
Cited
CH186466A
Cited
US2312424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |