US1844446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cutter
Assignee: Individual
•
Filing: 1929-01-16
•
Granted: 1932-02-09
•
Expires: 1949-01-16
Abstract
No abstract record available.
Inventors
- 👤 Spohr Arthur
- 👤 Skeel Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:08
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/107; B23B51/109; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1072; B23B31/10741; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17162; Y10T279/17761; Y10T279/17786; Y10T279/17923
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) | 1935-02-08 | 1935-08-10 | 1936-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-08 | 1939-08-10 | 1940-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-08 | 1943-08-10 | 1944-02-09 | $7700.00 | Window Closed / Lapsed |