Patent US2544973A successfully refreshed from Google Patents.
US2544973A
Expired / Lapsed
US
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Regulator
Assignee: Bendix Aviation Corp
•
Filing: 1944-11-18
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Granted: 1951-03-13
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Expires: 1964-11-18
Abstract
No abstract record available.
Inventors
- 👤 Howard A Alexanderson
- 👤 Henry C Nette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:15
CPC Classifications
F; F02; F02D; F02D23/00; F02D23/005; F02D19/00; F02D19/12; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0246; F02D2700/0248; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324083A
Cited
US1579536A
Cited
US1841337A
Cited
US2098914A
Cited
GB475389A
Cited
US2282529A
Cited
US2323204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |