US2712718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift-type spike harrow
Assignee: Individual
•
Filing: 1948-02-02
•
Granted: 1955-07-12
•
Expires: 1968-02-02
Abstract
No abstract record available.
Inventors
- 👤 Jabez A Love
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:55
CPC Classifications
A; A01; A01B; A01B73/00; A01B73/02; A01B73/04; A01B73/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848955A
Cited
US1531975A
Cited
US2298161A
Cited
GB556859A
Cited
US2336152A
Cited
US2498888A
Cited
US2398991A
Cited
US2561548A
Cited
US2665622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |