US3486520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflector fluidic amplifier
Assignee: JAMES M HYER
•
Filing: 1967-07-26
•
Granted: 1969-12-30
•
Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 James M Hyer
- 👤 James M Eastman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:12
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2229; Y10T137/224; Y10T137/2245; Y10T137/2256
Claims Analysis
Total Claims: 0
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US3420253A
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US3380655A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |