US1443050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable cultivator point
Assignee: Individual
•
Filing: 1921-07-12
•
Granted: 1923-01-23
•
Expires: 1941-07-12
Abstract
No abstract record available.
Inventors
- 👤 Smith John Henry
- 👤 Waddell William James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/20; A01B35/22; A01B35/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-01-22 | 1926-07-24 | 1927-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-01-22 | 1930-07-24 | 1931-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-01-22 | 1934-07-24 | 1935-01-23 | $7700.00 | Window Closed / Lapsed |