US2863036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated butchering knives
Assignee: Individual
•
Filing: 1957-06-19
•
Granted: 1958-12-02
•
Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Donald O Mitchell
- 👤 Ronald A Carbery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:32
CPC Classifications
B; B26; B26B; B26B7/00; B26B3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1160754A
Cited
US1658884A
Cited
US2032688A
Cited
US2110985A
Cited
US2448577A
Cited
US2623977A
Cited
FR1107332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |