US2435277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and ignition control system
Assignee: Motorola Solutions Inc
•
Filing: 1943-07-12
•
Granted: 1948-02-03
•
Expires: 1963-07-12
Abstract
No abstract record available.
Inventors
- 👤 Harry B Holthouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:50
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1214555A
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US1357598A
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US1529906A
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US1337555A
Cited
US1953174A
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US2179322A
Cited
US2257755A
Cited
US2405143A
Cited
US2405144A
Cited
US2405145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |