US2767632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator
Assignee: CLAUDE C CANADAY JR
•
Filing: 1952-09-25
•
Granted: 1956-10-23
•
Expires: 1972-09-25
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Whittington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:00
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US435655A
Cited
US436472A
Cited
US462294A
Cited
US926063A
Cited
FR417533A
Cited
US1178767A
Cited
US1283679A
Cited
DE449322C
Cited
US2588872A
Cited
US2632371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |