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US2454482A
Expired / Lapsed
US
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Disk plow
Assignee: Case LLC
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Filing: 1943-09-30
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Granted: 1948-11-23
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Expires: 1963-09-30
Abstract
No abstract record available.
Inventors
- 👤 Alvah E Rutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:47
CPC Classifications
A; A01; A01B; A01B49/00; A01B49/04; A01B5/00; A01B5/04; A01B5/06; A01B63/00; A01B63/14; A01B63/24; A01B63/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1395050A
Cited
US1359860A
Cited
US1480341A
Cited
US1627902A
Cited
US1885955A
Cited
US1957077A
Cited
US2370374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |