US2453650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine control
Assignee: Bendix Aviation Corp
•
Filing: 1944-08-22
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Granted: 1948-11-09
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Expires: 1964-08-22
Abstract
No abstract record available.
Inventors
- 👤 Howard A Alexanderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:29
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0246; F02D2700/0248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB387567A
Cited
DE158297C
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US1563988A
Cited
US1816787A
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DE571979C
Cited
US2031527A
Cited
US2205354A
Cited
US2305070A
Cited
US2348768A
Cited
US2302358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |