US3442280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid amplifier and method of manufacture
Assignee: General Electric Co
•
Filing: 1966-06-27
•
Granted: 1969-05-06
•
Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Willis A Boothe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:14
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; F15C1/06; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2224; Y10T137/2229
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2947320A
Cited
US3057551A
Cited
US3144390A
Cited
US3156157A
Cited
US3225779A
Cited
US3148691A
Cited
US3285265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |