Patent US3171946A successfully refreshed from Google Patents.
US3171946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating apparatus
Assignee: Edwin L Wiegand Co
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Filing: 1959-11-27
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Granted: 1965-03-02
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Ammerman George Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:05
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/02; H05B3/06; F; F24; F24C; F24C7/00; F24C7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN AN ELECTRIC HEATING APPARATUS, THE COMBINATION OF AN APERTURED WALL AND AN ASSEMBLY INCLUDING A PLATE MEMBER AND AN ELECTRIC HEATING ELEMENT SUPPORTED BY SAID PLATE MEMBER, SAID PLATE MEMBER HAVING A MARGINAL TAB PASSING THROUGH THE WALL APERTURE AND COOPERATING WITH THE MARGINAL SURFACE OF THE LATTER TO PROVIDE A PIVOT CONNECTION ABOUT WHICH SAID ASSEMBLY MAY SWING, A METAL SPRING CLIP CONNECTED TO SAID WALL AND HAVING A PAIR OF ANGULARLY DISPOSED LEGS, ONE LEG EXTENDING THROUGH SAID WALL
Claim 2
Dependent Claim
82 words
IN AN ELECTRIC HEATING APPARATUS, THE COMBINATION OF AN APERTURED WALL AND AN ASSEMBLY INCLUDING A PLATE MEMBER AND AN ELECTRIC HEATING ELEMENT SUPPORTED BY SAID PLATE MEMBER, SAID PLATE MEMBER HAVING A MARGINAL TAB PASSING THROUGH THE WALL APERTURE AND COOPERATING WITH THE MARGINAL SURFACE OF THE LATTER TO PROVIDE A PIVOT CONNECTION ABOUT WHICH SAID ASSEMBLY MAY SWING, A METAL SPRING CLIP CONNECTED TO SAID WALL AND HAVING A PAIR OF ANGULARLY DISPOSED LEGS, ONE LEG EXTENDING THROUGH SAID WALL
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |