Patent US2562486A successfully refreshed from Google Patents.
US2562486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator
Assignee: Individual
•
Filing: 1948-12-31
•
Granted: 1951-07-31
•
Expires: 1968-12-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Denning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:09
CPC Classifications
A; A01; A01B; A01B51/00; A01B51/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US323442A
Cited
US277258A
Cited
US893311A
Cited
US1001522A
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GB191502864A
Cited
US1830013A
Cited
US1852212A
Cited
US1975271A
Cited
US2195516A
Cited
US2145007A
Cited
US2352963A
Cited
US2330283A
Cited
GB549114A
Cited
US2430434A
Cited
US2333586A
Cited
US2465641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |