US2706238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated knife
Assignee: Goodrich Corp
•
Filing: 1952-01-31
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Granted: 1955-04-12
•
Expires: 1972-01-31
Abstract
No abstract record available.
Inventors
- 👤 Teddy W Blaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:02
CPC Classifications
H; H05; H05B; H05B3/00; B; B26; B26F; B26F3/00; B26F3/06; H05B2203/00; H05B2203/03; Y; Y10; Y10T; Y10T83/00; Y10T83/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |