Patent US3156044A successfully refreshed from Google Patents.
US3156044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric can opener
Assignee: Acme Burgess Inc
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Filing: 1962-10-25
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Granted: 1964-11-10
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Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 George L Congdon
- 👤 John A Benkovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:14
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A CAN OPENER COMPRISING: A HOUSING INCLUDING A FRONT PANEL HAVING AN ELONGATED VERTICAL SLOT THEREIN; A CUTTER BLADE MOUNTED ON THE OUTSIDE OF SAID PANEL ABOVE SAID SLOT; A SHAFT EXTENDING THROUGH AND GUIDED BY SAID SLOT AND GUIDED BY THE HOUSING FOR VERTICAL MOVEMENT IN THE SLOT; A CAN TURNING WHEEL SECURED TO THE OUTER END OF SAID SHAFT, SAID CAN TURNING WHEEL BEING LOCATED BEHIND AND BELOW SAID CUTTER BLADE; AN OPERATING HANDLE PIVOTALLY SUPPORTED ON SAID PANEL ON THE UPPER PORTION THEREOF; A TOGGLE JOINT ASSEMBLY IN SAID HOUSING AND INCLUDING TWO END CONNECTIONS, ONE OF WHICH RECEIVES SAID SHAFT AND THE OTHER OF WHICH IS SUPPORTED BY THE HOUSING AGAINST SUBSTANTIAL VERTICAL MOVEMENT, SAID HANDLE BEING OPERATIVELY CONNECTED TO SAID ASSEMBLY BETWEEN SAID TWO ENDS TO MOVE THE CAN TURNING WHEEL VERTICALLY IN SAID SLOT IN RESPONSE TO MOVEMENT OF THE HANDLE; AND POWER MEANS IN SAID HOUSING AND CONNECTED TO SAID SHAFT TO IMPART A ROTARY MOVEMENT TO THE CAN TURNING WHEEL.
Claim 2
Dependent Claim
168 words
A CAN OPENER COMPRISING: A HOUSING INCLUDING A FRONT PANEL HAVING AN ELONGATED VERTICAL SLOT THEREIN; A CUTTER BLADE MOUNTED ON THE OUTSIDE OF SAID PANEL ABOVE SAID SLOT; A SHAFT EXTENDING THROUGH AND GUIDED BY SAID SLOT AND GUIDED BY THE HOUSING FOR VERTICAL MOVEMENT IN THE SLOT; A CAN TURNING WHEEL SECURED TO THE OUTER END OF SAID SHAFT, SAID CAN TURNING WHEEL BEING LOCATED BEHIND AND BELOW SAID CUTTER BLADE; AN OPERATING HANDLE PIVOTALLY SUPPORTED ON SAID PANEL ON THE UPPER PORTION THEREOF; A TOGGLE JOINT ASSEMBLY IN SAID HOUSING AND INCLUDING TWO END CONNECTIONS, ONE OF WHICH RECEIVES SAID SHAFT AND THE OTHER OF WHICH IS SUPPORTED BY THE HOUSING AGAINST SUBSTANTIAL VERTICAL MOVEMENT, SAID HANDLE BEING OPERATIVELY CONNECTED TO SAID ASSEMBLY BETWEEN SAID TWO ENDS TO MOVE THE CAN TURNING WHEEL VERTICALLY IN SAID SLOT IN RESPONSE TO MOVEMENT OF THE HANDLE; AND POWER MEANS IN SAID HOUSING AND CONNECTED TO SAID SHAFT TO IMPART A ROTARY MOVEMENT TO THE CAN TURNING WHEEL.
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |