Patent US2583537A successfully refreshed from Google Patents.
US2583537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine control
Assignee: Bendix Aviation Corp
•
Filing: 1947-06-06
•
Granted: 1952-01-29
•
Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Alexanderson Howard Allan
- 👤 Febvre Arthur Hibbard Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:01
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0246; F02D2700/0256; Y; Y10; Y10S; Y10S415/00; Y10S415/904; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19033; Y10T74/19149; Y10T74/19158
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2284687A
Cited
US2217364A
Cited
US2187737A
Cited
US2400307A
Cited
US2400306A
Cited
US2491482A
Cited
US2491484A
Cited
US2491497A
Cited
US2453170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |