Patent US2552160A successfully refreshed from Google Patents.
Patent US3291932A successfully refreshed from Google Patents.
US3291932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive control reset structure
Assignee: Controls Company of America
•
Filing: 1964-12-14
•
Granted: 1966-12-13
•
Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Robert T Main
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:51
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2614; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE COMBINATION WITH A CONTROL DEVICE OF THE TYPE HAVING A CONTROL MECHANISM MOVABLE FROM ONE CONTROLLING CONDITION TO ANOTHER CONTROLLING CONDITION IN RESPONSE TO MOVEMENT OF A DIAPHRAGM UNDER INFLUENCE OF PRESSURE ACTING ON ONE SIDE OF THE DIAPHRAGM IN OPPOSITION TO A PRESELECTED OPPOSING BIASING FORCE, OF MEANS FOR PRESELECTING THE BIASING FORCE INCLUDING, CAM MEANS ROTATABLE ABOUT AN AXIS CONTINUOUSLY ADJUSTING THE BIASING FORCE WHEN ROTATED, MEANS MOUNTING THE CAM FOR ROTARY AND AXIAL MOVEMENT, AND MEANS RESPONSIVE TO AXIAL MOVEMENT OF THE CAM MEANS TO ACTUATE THE CONTROL MECHANISM TO SAID ONE CONDITION.
Claim 2
Dependent Claim
97 words
THE COMBINATION WITH A CONTROL DEVICE OF THE TYPE HAVING A CONTROL MECHANISM MOVABLE FROM ONE CONTROLLING CONDITION TO ANOTHER CONTROLLING CONDITION IN RESPONSE TO MOVEMENT OF A DIAPHRAGM UNDER INFLUENCE OF PRESSURE ACTING ON ONE SIDE OF THE DIAPHRAGM IN OPPOSITION TO A PRESELECTED OPPOSING BIASING FORCE, OF MEANS FOR PRESELECTING THE BIASING FORCE INCLUDING, CAM MEANS ROTATABLE ABOUT AN AXIS CONTINUOUSLY ADJUSTING THE BIASING FORCE WHEN ROTATED, MEANS MOUNTING THE CAM FOR ROTARY AND AXIAL MOVEMENT, AND MEANS RESPONSIVE TO AXIAL MOVEMENT OF THE CAM MEANS TO ACTUATE THE CONTROL MECHANISM TO SAID ONE CONDITION.
References Cited (Backward Citations)
US2648234A
Cited
US2941055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |