US3254406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can opener
Assignee: John Oster Manufacturing Co
•
Filing: 1963-08-09
•
Granted: 1966-06-07
•
Expires: 1983-08-09
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Hubrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:29
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN AN ELECTRIC CAN OPENER OF THE TYPE HAVING A MOTOR DRIVINGLY CONNECTED TO A CAN FEED WHEEL BY REDUCTION GEARING, A CUTTING WHEEL CARRIED BY AN OPERATING LEVER AND MOVABLE INTO OVERLAPPING RELATION TO SAID FEED WHEEL FOR SERVERING THE LID OF A CAN, AN IMPROVED LID HOLDER COMPRISING A MAGNETIC CARRIED ON THE OUTER END OF SAID CAN OPENER, A MAGNETIC SUPPORT ARM PIVOTALLY CONNECTED TO SAID ARM, THE WEIGHT OF SAID ARM AND MAGNET ROTATING SAID ARM ABOUT SAID PIVOT TO ENGAGE SAID MAGNET WITH THE LID OF A CAM BEING OPENED, AND RESTRAINING MEANS ON SAID OPERATING LEVER HOLDING SAID ARM IN AN ELEVATED POSITION UNTIL SAID CUTTING WHEEL IS MOVED TO THE LID SEVERING POSITION, SAID RESTRAINING MEANS BEING DISENGAGED FROM SAID SUPPORT ARM WHEN THE CUTTING WHEEL IS THE LID SERVERING POSITION THEREBY PERMITTING SAID MAGNET TO ROTATE INTO ENGAGEMENT WITH THE LID OF THE CAN BEING OPENED.
Claim 2
Dependent Claim
154 words
IN AN ELECTRIC CAN OPENER OF THE TYPE HAVING A MOTOR DRIVINGLY CONNECTED TO A CAN FEED WHEEL BY REDUCTION GEARING, A CUTTING WHEEL CARRIED BY AN OPERATING LEVER AND MOVABLE INTO OVERLAPPING RELATION TO SAID FEED WHEEL FOR SERVERING THE LID OF A CAN, AN IMPROVED LID HOLDER COMPRISING A MAGNETIC CARRIED ON THE OUTER END OF SAID CAN OPENER, A MAGNETIC SUPPORT ARM PIVOTALLY CONNECTED TO SAID ARM, THE WEIGHT OF SAID ARM AND MAGNET ROTATING SAID ARM ABOUT SAID PIVOT TO ENGAGE SAID MAGNET WITH THE LID OF A CAM BEING OPENED, AND RESTRAINING MEANS ON SAID OPERATING LEVER HOLDING SAID ARM IN AN ELEVATED POSITION UNTIL SAID CUTTING WHEEL IS MOVED TO THE LID SEVERING POSITION, SAID RESTRAINING MEANS BEING DISENGAGED FROM SAID SUPPORT ARM WHEN THE CUTTING WHEEL IS THE LID SERVERING POSITION THEREBY PERMITTING SAID MAGNET TO ROTATE INTO ENGAGEMENT WITH THE LID OF THE CAN BEING OPENED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |