Patent US3174499A successfully refreshed from Google Patents.
US3174499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic control device
Assignee: Honeywell Inc
•
Filing: 1961-11-08
•
Granted: 1965-03-23
•
Expires: 1981-11-08
Abstract
No abstract record available.
Inventors
- 👤 Richard C Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:35
CPC Classifications
F; F15; F15B; F15B5/00; F16; F16K; F16K15/00; F16K15/02; F16K15/021; F16K15/06; F16K15/063; F16K15/065; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7905; Y10T137/7922; Y10T137/7924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A PNEUMATIC CONTOL DEVICE, NOZZLE MEANS, SAID NOZZLE MEANS HAVING A FLAT LAPPED ANNULAR SURFACE OF PREDETERMINED DIAMETER, SUPPLY CONDUIT MEANS CONNECTED TO SAID NOZZLE MEANS AND ADAPTED TO BE CONNECTED TO A SOURCE OF FLUID PRESSURE, A RESTRICTION POSITIONED IN SAID SUPPLY CONDUIT MEANS AND HAVING A PEDETERMINED DIAMETER, OUTLET CONDUIT MEANS CONNECDTED TO SAID LAST NAMED CONDUIT MEANS BETWEEN SAID RESTRICTION AND THE LAPPED SURFACE OF SAID NOZZLE, FLAT VALVE CLOSURE MEANS HAVING A LAPPED UNDERSURFACE COOPERATING WITH THE LAPPED SURFACE OF SAID NOZZLE MEANS, MEANS CONNECTED TO SAID VALVE CLOSURE MEANS TO IMPART A FORCE THERETO IN PROPORTION TO
Claim 2
Dependent Claim
103 words
IN A PNEUMATIC CONTOL DEVICE, NOZZLE MEANS, SAID NOZZLE MEANS HAVING A FLAT LAPPED ANNULAR SURFACE OF PREDETERMINED DIAMETER, SUPPLY CONDUIT MEANS CONNECTED TO SAID NOZZLE MEANS AND ADAPTED TO BE CONNECTED TO A SOURCE OF FLUID PRESSURE, A RESTRICTION POSITIONED IN SAID SUPPLY CONDUIT MEANS AND HAVING A PEDETERMINED DIAMETER, OUTLET CONDUIT MEANS CONNECDTED TO SAID LAST NAMED CONDUIT MEANS BETWEEN SAID RESTRICTION AND THE LAPPED SURFACE OF SAID NOZZLE, FLAT VALVE CLOSURE MEANS HAVING A LAPPED UNDERSURFACE COOPERATING WITH THE LAPPED SURFACE OF SAID NOZZLE MEANS, MEANS CONNECTED TO SAID VALVE CLOSURE MEANS TO IMPART A FORCE THERETO IN PROPORTION TO
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |