Patent US3087042A successfully refreshed from Google Patents.
US3087042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating unit
Assignee: Vibrantz Corp
•
Filing: 1960-02-29
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Granted: 1963-04-23
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Leroy C Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:21
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F24C15/102; F24C15/104
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
IN A HEATING UNIT: A HEATING ELEMENT HAVING TERMINAL END PORTIONS EXTENDING THEREFROM; A TERMINAL BLOCK MOUNTED ON AND LOOSELY JOINING SAID TERMINAL END PORTIONS; A SUPPORT FOR SAID ELEMENT; A SECOND TERMINAL BLOCK MOUNTED IN OPERATIVE RELATION WITH SAID SUPPORT; CIRCUIT MEANS FOR CONNECTION WITH SAID TERMINAL END PORTIONS AND CARRIED BY SAID SECOND TERMINAL BLOCK; AND GUIDE MEANS RECEIVING AND GUIDING SAID FIRST TERMINAL BLOCK INTO A POSITION WITH SAID TERMINAL END PORTIONS IN ENGAGEMENT WITH SAID SECOND TERMINAL BLOCK.
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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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |