Patent US3476131A successfully refreshed from Google Patents.
US3476131A
Expired / Lapsed
US
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Swirl input fluid amplifier
Assignee: RTX Corp
•
Filing: 1966-04-28
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Granted: 1969-11-04
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Expires: 1986-04-28
Abstract
No abstract record available.
Inventors
- 👤 Bartholomew J Davison
- 👤 Aldo A Peracchio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:12
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/06; G01C19/14; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2087; Y10T137/2093; Y10T137/2104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3193197A
Cited
US3158166A
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US3216439A
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US3233522A
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US3244189A
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US3266512A
Cited
US3276463A
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US3228602A
Cited
US3342198A
Cited
US3311987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |