Patent US3308535A successfully refreshed from Google Patents.
US3308535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric slicing knife
Assignee: General Electric Co
•
Filing: 1964-09-01
•
Granted: 1967-03-14
•
Expires: 1984-09-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Freeman
- 👤 Hugh M Forman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:11
CPC Classifications
B; B26; B26B; B26B7/00; B26B7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A PORTABLE ELECTRIC SLICING KNIFE HAVING A HOLLOW HANDLE, AN ELECTRIC MOTOR SUPPORTED BY SAID HANDLE AND ADAPTED FOR CONNECTION TO A SOURCE OF POWER, AND CUTTING MEANS EXTENDING FORWARDLY FROM SAID HANDLE AND CONNECTED TO SAID MOTOR, MEANS FOR CONTROLLING THE FLOW OF ELECTRIC CURRENT TO SAID MOTOR COMPRISING: (A) A MOVABLE SWITCH ACTUATOR PIVOTALLY MOUNTED ON THE HANDLE AND ENGAGEABLE BY A FINGER OF THE HAND GRASPING THE HANDLE, SAID ACTUATOR HAVING A NORMALLY OPENED POSITION AND A CLOSED POSITION; (B) A PAIR OF CONTACTS, ONE OF SAID CONTACTS BEING MOVABLE BY SAID ACTUATOR INTO ELECTRICAL CONTACT WITH THE OTHER OF SAID CONTACTS; (C) MEANS FOR NORMALLY MAINTAINING SAID CONTACTS IN SPACED RELATION TO ONE ANOTHER; (D) A MANUALLY OPERATED BUTTON SPACED FROM SAID PIVOTAL MOUNTING AND POSITIONED IN AN APERTURE FORMED IN SAID ACTUATOR;
Claim 2
Dependent Claim
138 words
IN A PORTABLE ELECTRIC SLICING KNIFE HAVING A HOLLOW HANDLE, AN ELECTRIC MOTOR SUPPORTED BY SAID HANDLE AND ADAPTED FOR CONNECTION TO A SOURCE OF POWER, AND CUTTING MEANS EXTENDING FORWARDLY FROM SAID HANDLE AND CONNECTED TO SAID MOTOR, MEANS FOR CONTROLLING THE FLOW OF ELECTRIC CURRENT TO SAID MOTOR COMPRISING: (A) A MOVABLE SWITCH ACTUATOR PIVOTALLY MOUNTED ON THE HANDLE AND ENGAGEABLE BY A FINGER OF THE HAND GRASPING THE HANDLE, SAID ACTUATOR HAVING A NORMALLY OPENED POSITION AND A CLOSED POSITION; (B) A PAIR OF CONTACTS, ONE OF SAID CONTACTS BEING MOVABLE BY SAID ACTUATOR INTO ELECTRICAL CONTACT WITH THE OTHER OF SAID CONTACTS; (C) MEANS FOR NORMALLY MAINTAINING SAID CONTACTS IN SPACED RELATION TO ONE ANOTHER; (D) A MANUALLY OPERATED BUTTON SPACED FROM SAID PIVOTAL MOUNTING AND POSITIONED IN AN APERTURE FORMED IN SAID ACTUATOR;
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |