Patent US5699551A successfully refreshed from Google Patents.
Patent US3451410A successfully refreshed from Google Patents.
US3451410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid amplifier compensation network
Assignee: General Electric Co
•
Filing: 1964-09-23
•
Granted: 1969-06-24
•
Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Willis Anson Boothe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:26
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/146; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A FLUID AMPLIFIER NETWORK, FOR AMPLIFYING AN INPUT SIGNAL TO PROVIDE AN OUTPUT SIGNAL OF INCREASED STRENGTH, COMPRISING, MEANS, INCLUDING A DELAY FLUID FLOW PATH, FOR PROVIDING A RESET SIGNAL WHICH, WITH UNIDIRECTIONAL CHANGES IN INPUT STRENGTH PROVIDES A RESET SIGNAL PROPORTIONATELY VARYING OVER A GIVEN TIME PERIOD AT A RATE PROPORTIONATE TO THE STRENGTH OF THE INPUT SIGNAL AND, WHICH WITH RELATIVELY RAPID BIDIRECTIONAL VARIATIONS IN INPUT SIGNAL STRENGTH PROVIDES A RESET SIGNAL OF PROGRESSIVELY DECREASING STRENGTH AS THE RATE OF BIDIRECTIONAL VARIATION OF THE INPUT SIGNAL INCREASES, AND SUMMING FLUID AMPLIFIER MEANS RESPONSIVE TO BOTH THE INPUT SIGNAL AND THE RESET SIGNAL AND PROVIDING FOR UNIDIRECTIONAL INPUT SIGNAL CHANGES, AN OUTPUT SIGNAL IMMEDIATELY VARIED IN STRENGTH PROPORTIONATE TO THE INPUT SIGNAL AND ALSO PROPORTIONATE TO THE PROGRESSIVELY VARYING STRENGTH OF THE RESET SIGNAL AND PROVIDING FOR RELATIVELY RAPIDLY CHANGING, BIDIRECTIONAL INPUT SIGNALS, AN INPUT SIGNAL WHICH DECREASES IN STRENGTH AS THE RATE OF VARIATION IN THE INPUT SIGNAL INCREASES.
Claim 2
Dependent Claim
161 words
A FLUID AMPLIFIER NETWORK, FOR AMPLIFYING AN INPUT SIGNAL TO PROVIDE AN OUTPUT SIGNAL OF INCREASED STRENGTH, COMPRISING, MEANS, INCLUDING A DELAY FLUID FLOW PATH, FOR PROVIDING A RESET SIGNAL WHICH, WITH UNIDIRECTIONAL CHANGES IN INPUT STRENGTH PROVIDES A RESET SIGNAL PROPORTIONATELY VARYING OVER A GIVEN TIME PERIOD AT A RATE PROPORTIONATE TO THE STRENGTH OF THE INPUT SIGNAL AND, WHICH WITH RELATIVELY RAPID BIDIRECTIONAL VARIATIONS IN INPUT SIGNAL STRENGTH PROVIDES A RESET SIGNAL OF PROGRESSIVELY DECREASING STRENGTH AS THE RATE OF BIDIRECTIONAL VARIATION OF THE INPUT SIGNAL INCREASES, AND SUMMING FLUID AMPLIFIER MEANS RESPONSIVE TO BOTH THE INPUT SIGNAL AND THE RESET SIGNAL AND PROVIDING FOR UNIDIRECTIONAL INPUT SIGNAL CHANGES, AN OUTPUT SIGNAL IMMEDIATELY VARIED IN STRENGTH PROPORTIONATE TO THE INPUT SIGNAL AND ALSO PROPORTIONATE TO THE PROGRESSIVELY VARYING STRENGTH OF THE RESET SIGNAL AND PROVIDING FOR RELATIVELY RAPIDLY CHANGING, BIDIRECTIONAL INPUT SIGNALS, AN INPUT SIGNAL WHICH DECREASES IN STRENGTH AS THE RATE OF VARIATION IN THE INPUT SIGNAL INCREASES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |