Patent US3108531A successfully refreshed from Google Patents.
US3108531A
Expired / Lapsed
US
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Electric heating and cooking device
Assignee: Sunbeam Corp
•
Filing: 1962-05-14
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Granted: 1963-10-29
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Jepson Ivar
- 👤 Ruth E O'quinn
- 👤 Chester H Wickenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:01
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A HEATING DEVICE, A HEATING MEMBER HAVING AN ELECTRIC HEATING ELEMENT EMBEDDED THEREIN, A U-SHAPED BRACKET SECURED TO SAID MEMBER, SAID BRACKET INCLUDING A PAIR OF IDENTICAL SIDE PLATES AND A CROSS PLATE, SAID CROSS PLATE DEFINING THE BIGHT OF SAID U-SHAPED BRACKET AND INCLUDING A PROJECTING TONGUE AT EACH END RECEIVED IN A COOPERATING OPENING IN THE ADJACENT SIDE PLATE NEAR ONE END THEREOF, MEANS DEFINING A NOTCH IN ONE EDGE OF EACH OF SAID PLATES ADJACENT THE OTHER ENDS THEREOF, COOPERATING PROJECTIONS ON SAID MEMBER RECEIVED IN THE NOTCHES OF EACH OF SAID SIDE PLATES, AND A SINGLE CLAMPING
Claim 2
Dependent Claim
102 words
IN A HEATING DEVICE, A HEATING MEMBER HAVING AN ELECTRIC HEATING ELEMENT EMBEDDED THEREIN, A U-SHAPED BRACKET SECURED TO SAID MEMBER, SAID BRACKET INCLUDING A PAIR OF IDENTICAL SIDE PLATES AND A CROSS PLATE, SAID CROSS PLATE DEFINING THE BIGHT OF SAID U-SHAPED BRACKET AND INCLUDING A PROJECTING TONGUE AT EACH END RECEIVED IN A COOPERATING OPENING IN THE ADJACENT SIDE PLATE NEAR ONE END THEREOF, MEANS DEFINING A NOTCH IN ONE EDGE OF EACH OF SAID PLATES ADJACENT THE OTHER ENDS THEREOF, COOPERATING PROJECTIONS ON SAID MEMBER RECEIVED IN THE NOTCHES OF EACH OF SAID SIDE PLATES, AND A SINGLE CLAMPING
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |