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Patent US2720876A successfully refreshed from Google Patents.
US2720876A
Expired / Lapsed
US
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Liquid fuel burning air heater assembly
Assignee: Motorola Solutions Inc
•
Filing: 1952-08-19
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Granted: 1955-10-18
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Expires: 1972-08-19
Abstract
No abstract record available.
Inventors
- 👤 Edward A Salners
- 👤 Herschel A Setser
- 👤 Jerome G Zahradka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:53
CPC Classifications
F; F24; F24C; F24C5/00; F24C5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1973187A
Cited
US2375920A
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US2322924A
Cited
US2517398A
Cited
US2588349A
Cited
US2588352A
Cited
US2615617A
Cited
US2665841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |