US3509898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid amplifier
Assignee: ITE Imperial Corp
•
Filing: 1966-07-22
•
Granted: 1970-05-05
•
Expires: 1986-07-22
Abstract
No abstract record available.
Inventors
- 👤 Michele Monge
- 👤 Angelo Abbate Daga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:36
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; F15C1/12; G; G01; G01B; G01B13/00; Y; Y10; Y10S; Y10S200/00; Y10S200/05; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065; Y10T137/2071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3001539A
Cited
US3425430A
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US3425430B1
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US3131601A
Cited
US3158166A
Cited
US3244370A
Cited
US3217727A
Cited
US3241668A
Cited
US3241669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |