US3352011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated flexible knife
Assignee: Wells Vehicle Electronics LP
•
Filing: 1966-04-22
•
Granted: 1967-11-14
•
Expires: 1986-04-22
Abstract
No abstract record available.
Inventors
- 👤 Carl J Alexander
- 👤 Raymond W Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:57
CPC Classifications
B; B26; B26B; B26B3/00; B26B7/00; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A HEATED KNIFE COMPRISING A BLADE HAVING A SHARPENED EDGE, A PAIR OF SIDE PLATES SECURED IN SEALED RELATION ALONG OPPOSITE SIDES OF THE REAR EDGE OF SAID BLADE AND PROJECTING THEREBEHIND, MEANS SEALING THE REAR EDGES OF SAID SIDE PLATES TO DE FINE A CAVITY ALONG THE REAR OF SAID BLADE, THE ASSEMBLED BLADE, SIDE PLATES AND SEALING MEANS BEING FLEXIBLE TRANSVERSELY OF THEIR SIDES TO CURVE THE SHARPENED EDGE OF THE BLADE, AN ELONGATED THIN ELECTRIC HEATING ELEMENT HAVING FLEXIBLE INSULATION COVERING THE ELECTRICALLY CONDUCTING ELEMENTS THEREOF POSITIONED IN SAID CAVITY AND EXTENDING ING THEREALONG IN UNCONNECTED RELATION TO THE SURFACES OF SAID CAVITY, A HOUSING SECURED TO ONE END OF SAID BLADE AND SAID SIDE PLATES AND SEALING SAID CAVITY, AN ELECTRICAL CONNECTION EXTENDING IN SEALED RELATION THROUGH A WALL OF SAID HOUSING AND ELECTRICALLY CONNECTED TO SAID HEATING ELEMENT, AND A HANDLE CONNECTED TO THE END OF SAID BLADE AND SAID SIDE PLATES BY BEING CONNECTED TO SAID HOUSING.
Claim 2
Dependent Claim
163 words
A HEATED KNIFE COMPRISING A BLADE HAVING A SHARPENED EDGE, A PAIR OF SIDE PLATES SECURED IN SEALED RELATION ALONG OPPOSITE SIDES OF THE REAR EDGE OF SAID BLADE AND PROJECTING THEREBEHIND, MEANS SEALING THE REAR EDGES OF SAID SIDE PLATES TO DE FINE A CAVITY ALONG THE REAR OF SAID BLADE, THE ASSEMBLED BLADE, SIDE PLATES AND SEALING MEANS BEING FLEXIBLE TRANSVERSELY OF THEIR SIDES TO CURVE THE SHARPENED EDGE OF THE BLADE, AN ELONGATED THIN ELECTRIC HEATING ELEMENT HAVING FLEXIBLE INSULATION COVERING THE ELECTRICALLY CONDUCTING ELEMENTS THEREOF POSITIONED IN SAID CAVITY AND EXTENDING ING THEREALONG IN UNCONNECTED RELATION TO THE SURFACES OF SAID CAVITY, A HOUSING SECURED TO ONE END OF SAID BLADE AND SAID SIDE PLATES AND SEALING SAID CAVITY, AN ELECTRICAL CONNECTION EXTENDING IN SEALED RELATION THROUGH A WALL OF SAID HOUSING AND ELECTRICALLY CONNECTED TO SAID HEATING ELEMENT, AND A HANDLE CONNECTED TO THE END OF SAID BLADE AND SAID SIDE PLATES BY BEING CONNECTED TO SAID HOUSING.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |