US2265649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary knife
Assignee: Individual
•
Filing: 1937-12-21
•
Granted: 1941-12-09
•
Expires: 1957-12-21
Abstract
No abstract record available.
Inventors
- 👤 John J Krehbiel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2614; C; C14; C14B; C14B1/00; C14B1/02; C14B1/04; C14B2700/00; C14B2700/01; C14B2700/016; Y; Y10; Y10S; Y10S241/00; Y10S241/30; Y10T; Y10T407/00; Y10T407/19; Y10T407/1952; Y10T407/1962; Y10T407/1964; Y10T407/1966; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9394
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) | 1944-12-08 | 1945-06-09 | 1945-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-08 | 1949-06-09 | 1949-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-08 | 1953-06-09 | 1953-12-09 | $7700.00 | Window Closed / Lapsed |