Patent US3669689A successfully refreshed from Google Patents.
US3299701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure control apparatus
Assignee: Honeywell Inc
•
Filing: 1958-12-22
•
Granted: 1967-01-24
•
Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Scarlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:53
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
APPARATUS OF THE CLASS DESCRIBED COMPRISING, IN COMBINATION; MECHANICAL FORCE RATIO APPARATUS HAVING A PAIR OF FORCE INPUTS, A MEMBER WHOSE ANGULAR POSITION IS INDICATIVE OF THE RATIO OF THE INPUTS AND MEANS CONNECTED TO SAID MEMBER TO PROVIDE AN ELECTRICAL OUTPUT WHICH VARIES WITH CHANGE IN THE RATIO OF THE INPUTS, A FIRST OF THE INPUTS VARIABLE IN ACCORDANCE WITH A VARIABLE CONDITION AND THE SECOND OF THE INPUTS VARIABLE IN ACCORDANCE WITH A CONTROLLED CONDITION; MEANS RESPONSIVE TO THE ELECTRICAL OUTPUT; CONDITION CONTROLLING MEANS OPERABLE BY SAID LAST NAMED MEANS TO CONTROL THE CONTROLLED CONDITION; AND FURTHER MEANS OPERABLE IN ACCORDANCE WITH THE CONTROLLED CONDITION TO POSITION THE MEMBER.
Claim 2
Dependent Claim
111 words
APPARATUS OF THE CLASS DESCRIBED COMPRISING, IN COMBINATION; MECHANICAL FORCE RATIO APPARATUS HAVING A PAIR OF FORCE INPUTS, A MEMBER WHOSE ANGULAR POSITION IS INDICATIVE OF THE RATIO OF THE INPUTS AND MEANS CONNECTED TO SAID MEMBER TO PROVIDE AN ELECTRICAL OUTPUT WHICH VARIES WITH CHANGE IN THE RATIO OF THE INPUTS, A FIRST OF THE INPUTS VARIABLE IN ACCORDANCE WITH A VARIABLE CONDITION AND THE SECOND OF THE INPUTS VARIABLE IN ACCORDANCE WITH A CONTROLLED CONDITION; MEANS RESPONSIVE TO THE ELECTRICAL OUTPUT; CONDITION CONTROLLING MEANS OPERABLE BY SAID LAST NAMED MEANS TO CONTROL THE CONTROLLED CONDITION; AND FURTHER MEANS OPERABLE IN ACCORDANCE WITH THE CONTROLLED CONDITION TO POSITION THE MEMBER.
References Cited (Backward Citations)
US3126736A
Cited
DE681544C
Cited
US2599288A
Cited
US2538824A
Cited
US2537932A
Cited
US2869367A
Cited
US3002382A
Cited
US2950075A
Cited
US2989868A
Cited
US3086599A
Cited
US3038339A
Cited
US3072326A
Cited
US3086702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |