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Patent US3304407A successfully refreshed from Google Patents.
US3304407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Griller-cover
Assignee: Sunbeam Corp
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Filing: 1963-12-04
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Granted: 1967-02-14
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Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Clark William John
- 👤 Higgins Terrence Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:29
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/10; A47J37/101; A47J37/103
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
162 words
A GRILLER-COVER COMPRISING A COVER, AN OPENING IN ONE SIDE WALL OF THE COVER, A HEATING ASSEMBLY REMOVABLY SECURED TO THE COVER, A SHEATHED TYPE HEATING ELEMENT FOR THE HEATING ASSEMBLY INSIDE THE COVER, PARALLEL ADJACENT TERMINAL PINS AT THE ENDS OF THE HEATING ELEMENT OUTSIDE THE COVER, A SHROUD SURROUNDING THE TERMINAL END PINS, A THERMAL CONTROL BOX SECURED TO AND ABOUT PORTIONS OF THE HEATING ELEMENT ADJACENT THE TERMINAL ENDS, THE THERMAL CONTROL BOX FILLING THE OPENING IN THE COVER, A GAP BETWEEN THE ADJACENT PARTS OF THE THERMAL CONTROL BOX AND THE SHROUD, SAID GAP BEING ADJACENT BUT OUTSIDE THE SAID SIDE-WALL OF THE COVER, A SPRING SECURED TO THE COVER WHICH BEARS AGAINST THE END WALL OF THE THERMAL CONTROL BOX INSIDE THE COVER, THE SPRING BEING DISPLACEABLE TO A POSITION AWAY FROM THE THERMAL CONTROL BOX TO PERMIT WITHDRAWAL OF THE HEATING ASSEMBLY FROM THE COVER, AN INSULATED HANDLE CARRIED BY SAID COVER AND PROJECTING THEREFROM OVER
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |