US3315352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power pierce arrangement for power operated can opener
Assignee: Rival Manufacturing Co
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Filing: 1965-08-27
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Granted: 1967-04-25
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Robert J Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:34
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN AN ELECTRICALLY POWERED CAN OPENER HAVING AN UPRIGHT FRAME, A ROTARY FEED WHEEL, AND AN ELECTRIC MOTOR DRIVINGLY CONNECTED WITH SAID FEED WHEEL, THE COMBINATION THEREWITH OF A HAND LEVER PIVOTALLY ATTACHED TO THE FRAME OF SAID CAN OPENER, A CUTTING ELEMENT MOUNTED ON SAID LEVER AND MOVABLE INTO AND OUT OF OVERLAPPING CUTTING RELATIONSHIP WITH SAID FEED WHEEL, A NORMALLY OPEN SWITCH CONTROLLING THE ENERGIZATION OF SAID MOTOR, MEANS MOUNTED ON SAID FRAME OF SAID CAN OPENER BELOW SAID FEED WHEEL ENGAGEABLE BY THE SIDE OF A CAN, SAID MEANS OPERABLE AS A RESULT OF THE INWARD FORCE OF THE SIDE OF SAID CAN TOWARD SAID FRAME AGAINST SAID MEANS TO CLOSE SAID NORMALLY OPEN SWITCH IN RESPONSE TO BRINGING SAID CUTTING ELEMENT INTO PRESSURE CONTACT WITH THE END OF THE CAN TO BE OPENED, SAID PRESSURE CONTACT RESULTING IN SAID INWARD FORCE THAT IS TRANSMITTED THROUGH SAID CAN TO SAID MEANS.
Claim 2
Dependent Claim
154 words
IN AN ELECTRICALLY POWERED CAN OPENER HAVING AN UPRIGHT FRAME, A ROTARY FEED WHEEL, AND AN ELECTRIC MOTOR DRIVINGLY CONNECTED WITH SAID FEED WHEEL, THE COMBINATION THEREWITH OF A HAND LEVER PIVOTALLY ATTACHED TO THE FRAME OF SAID CAN OPENER, A CUTTING ELEMENT MOUNTED ON SAID LEVER AND MOVABLE INTO AND OUT OF OVERLAPPING CUTTING RELATIONSHIP WITH SAID FEED WHEEL, A NORMALLY OPEN SWITCH CONTROLLING THE ENERGIZATION OF SAID MOTOR, MEANS MOUNTED ON SAID FRAME OF SAID CAN OPENER BELOW SAID FEED WHEEL ENGAGEABLE BY THE SIDE OF A CAN, SAID MEANS OPERABLE AS A RESULT OF THE INWARD FORCE OF THE SIDE OF SAID CAN TOWARD SAID FRAME AGAINST SAID MEANS TO CLOSE SAID NORMALLY OPEN SWITCH IN RESPONSE TO BRINGING SAID CUTTING ELEMENT INTO PRESSURE CONTACT WITH THE END OF THE CAN TO BE OPENED, SAID PRESSURE CONTACT RESULTING IN SAID INWARD FORCE THAT IS TRANSMITTED THROUGH SAID CAN TO SAID MEANS.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |