Patent US1647832A successfully refreshed from Google Patents.
US1647832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weed and root extractor
Assignee: Individual
•
Filing: 1926-10-14
•
Granted: 1927-11-01
•
Expires: 1946-10-14
Abstract
No abstract record available.
Inventors
- 👤 John R Kovar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:59
CPC Classifications
A; A01; A01B; A01B1/00; A01B1/16; A01B1/165
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1930-10-31 | 1931-05-02 | 1931-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-10-31 | 1935-05-02 | 1935-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-10-31 | 1939-05-02 | 1939-11-01 | $7700.00 | Window Closed / Lapsed |