Patent US2503468A successfully refreshed from Google Patents.
US2503468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator
Assignee: Individual
•
Filing: 1946-09-05
•
Granted: 1950-04-11
•
Expires: 1966-09-05
Abstract
No abstract record available.
Inventors
- 👤 George E Carey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:18
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/20; A01B35/22; A01B35/24; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44966; Y10T24/44974; Y10T403/00; Y10T403/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US259869A
Cited
US789994A
Cited
DE159815C
Cited
US818923A
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US1018465A
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US1274866A
Cited
US1858114A
Cited
US2092679A
Cited
US2100499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |