US2855857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulator for positive displacement fluid machines
Assignee: Bendix Aviation Corp
•
Filing: 1956-05-07
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Granted: 1958-10-14
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Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Sung Chien-Bor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:09
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/06; F04C15/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE501006A
Cited
GB433488A
Cited
US2035465A
Cited
US2255785A
Cited
US2387761A
Cited
US2632398A
Cited
US2720171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |