US2446691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine starting apparatus
Assignee: Individual
•
Filing: 1944-04-06
•
Granted: 1948-08-10
•
Expires: 1964-04-06
Abstract
No abstract record available.
Inventors
- 👤 Clyde George
- 👤 Karl F Dailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:32
CPC Classifications
F; F02; F02N; F02N7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US867796A
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US1053800A
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US1044366A
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US1104058A
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US1209068A
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US1117739A
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US2170890A
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US2207491A
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US2150026A
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US2290479A
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US2240011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |