US2454675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk harrow carrier
Assignee: Individual
•
Filing: 1946-05-06
•
Granted: 1948-11-23
•
Expires: 1966-05-06
Abstract
No abstract record available.
Inventors
- 👤 Galen R Showalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:18
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US367009A
Cited
US1180206A
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US1609625A
Cited
US2071503A
Cited
US2164550A
Cited
US2266866A
Cited
US2398147A
Cited
US2276127A
Cited
US2321198A
Cited
US2404898A
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 |