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Patent US3201567A successfully refreshed from Google Patents.
US3201567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating unit
Assignee: Vibrantz Corp
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Filing: 1961-06-09
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Granted: 1965-08-17
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Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 Leroy C Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:24
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/68; H05B3/681
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
IN AN ELECTRICAL HEATING UNIT, THE COMBINATION COMPRISING: A SUPPORT IN THE FORM OF A DRIP PAN HAVING A CENTRAL OPENING DEFINED BY AN UPSTANDING CONTINUOUS FLANGE; A HEATING ELEMENT; A LOWER TERMINAL BLOCK ON SAID SUPPORT IN VERTICAL ALIGNMENT WITH SAID OPENING; A CLOSURE PLATE MOUNTED ON SAID LOWER TERMINAL BLOCK FOR MOVEMENT BEWEEN OPEN AND CLOSED POSITIONS; AND AN UPPER TERMINAL BLOCK ON SAID HEATING ELEMENT, SAID UPPER TERMINAL BLOCK BEING OPERATIVELY POSITIONED OVERLYING SAID LOWER TERMINAL BLOCK AND HAVING A DOWNWARDLY EXTENDING CONTINUOUS FLANGE ENCASING THE SUPPORT FLANGE TO RETARD PASSAGE OF DRIPPINGS INTO SAID OPENING; AND MEANS ON SAID UPPER TERMINAL BLOCK FOR MOVING SAID CLOSURE PLATE TO OPEN POSITION AS SAID TERMINAL BLOCKS ARE BEING OPERATIVELY POSITIONED.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |