US3342977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric broiler heating element
Assignee: DTE Energy Co
•
Filing: 1964-11-02
•
Granted: 1967-09-19
•
Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:19
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/04; F24C7/046; H; H05; H05B; H05B3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A HEATING ELEMENT FOR A BROILER OR THE LIKE COMPRISING AN ELONGATED CORRUGATED SHEET OF HIGH RESISTANCE METAL IN WHICH THE CORRUGATIONS EXTEND LONGITUDINALLY THEREOF, THE CENTRAL PORTIONS OF WHICH EXTENDS SUBSTANTIALLY HORIZONTALLY AND THE ENDS OF WHICH ARE TURNED DOWN TO EXTEND SUBSTANTIALLY VERTICALLY WHEREBY THE CORRUGATED SHEET FORMS AN ARCH, SEPARATE SUBSTANTIALLY FLAT ELECTRIC BAR TERMINALS EXTENDING TRANSVERSELY OF THE CORRUGATED SHEET SECURED TO THE OPPOSITE ENDS OF THE CORRUGATED SHEET ALONG ONE EDGE OF THE ELECTRIC BAR TERMINALS AND EXTENDING HORIZONTALLY OUTWARDLY FROM THE ENDS OF THE CORRUGATED SHEET AND MEANS FOR CONNECTING THE BAR TERMINALS AT THE OPPOSITE ENDS OF THE HEATING ELEMENT TO A SOURCE OF ELECTRIC ENERGY.
Claim 2
Dependent Claim
113 words
A HEATING ELEMENT FOR A BROILER OR THE LIKE COMPRISING AN ELONGATED CORRUGATED SHEET OF HIGH RESISTANCE METAL IN WHICH THE CORRUGATIONS EXTEND LONGITUDINALLY THEREOF, THE CENTRAL PORTIONS OF WHICH EXTENDS SUBSTANTIALLY HORIZONTALLY AND THE ENDS OF WHICH ARE TURNED DOWN TO EXTEND SUBSTANTIALLY VERTICALLY WHEREBY THE CORRUGATED SHEET FORMS AN ARCH, SEPARATE SUBSTANTIALLY FLAT ELECTRIC BAR TERMINALS EXTENDING TRANSVERSELY OF THE CORRUGATED SHEET SECURED TO THE OPPOSITE ENDS OF THE CORRUGATED SHEET ALONG ONE EDGE OF THE ELECTRIC BAR TERMINALS AND EXTENDING HORIZONTALLY OUTWARDLY FROM THE ENDS OF THE CORRUGATED SHEET AND MEANS FOR CONNECTING THE BAR TERMINALS AT THE OPPOSITE ENDS OF THE HEATING ELEMENT TO A SOURCE OF ELECTRIC ENERGY.
References Cited (Backward Citations)
US1890339A
Cited
US2809223A
Cited
US2896004A
Cited
US2891303A
Cited
US3100711A
Cited
US3057936A
Cited
US3086187A
Cited
FR1323543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |