Patent US2593679A successfully refreshed from Google Patents.
US2593679A
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US
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Implement attaching structure
Assignee: International Motors LLC
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Filing: 1948-12-04
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Granted: 1952-04-22
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Expires: 1968-12-04
Abstract
No abstract record available.
Inventors
- 👤 Lee H Kaupke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:33
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/06; A01B59/065; A01B35/00; A01B35/02; A01B35/10; A01B35/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US696808A
Cited
US1204226A
Cited
US2036911A
Cited
US2140712A
Cited
US2338334A
Cited
US2444321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |