US2569782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Economizer
Assignee: Bendix Aviation Corp
•
Filing: 1946-12-31
•
Granted: 1951-10-02
•
Expires: 1966-12-31
Abstract
No abstract record available.
Inventors
- 👤 Robert W Sloane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:41
CPC Classifications
F; F02; F02M; F02M7/00; F02M7/23; F02M7/24; F02M7/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858835A
Cited
US1842690A
Cited
US1841687A
Cited
US1882725A
Cited
US1929266A
Cited
GB399959A
Cited
US2093205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |