US3212525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valves for refrigeration apparatus having cooling and/or heating cycles
Assignee: Individual
•
Filing: 1962-10-18
•
Granted: 1965-10-19
•
Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Henderson Hallie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:33
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F25; F25B; F25B13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572; Y10T137/7722; Y10T137/7781; Y10T137/7837; Y10T137/7876; Y10T137/8593; Y10T137/86493; Y10T137/86815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A VALVE FOR USE IN A REFRIGERATION SYSTEM, COMPRISING: (A) A BODY HAVING FIRST AND SECOND INTERCONNECTED INLET PASSAGEWAYS AND AN OUTLET COMMUNICATING WITH THE PASSAGEWAYS, (B) A VALVE SEAT AND A VALVE MEMBER COOPERABLE THEREWITH FOR CONTROLLING FLOW THROUGH THE FIRST PASSAGEWAY, (C) SAID VALVE MEMBER URGED TOWARD ITS SEAT BY A PLUNGER MOUNTED FOR RECIPROCATION IN THE BODY, (D) A PRESSURE RESPONSIVE MEMBER SECURRED TO THE PLUNGER AND RECIPROCATING THE PLUNGER UPON MOVEMENT THEREOF, (E) SAID PRESSURE RESPONSIVE MEMBER EXPOSED ON ONE SIDE TO THE SECOND PASSAGEWAY WHEREBY MOVEMENT OF THE PRESSURE RESPONSIVE MEMBER IS INFLUENCED BY PRESSURE CONDITIONS IN THE SECOND PASSAGEWAY, AND (F) MEANS CONNECTED TO THE OTHER SIDE OF SAID PRESSURE RESPONSIVE MEMBER FROM SAID FIRST AND SECOND INLET PASSAGEWAYS FOR VARYING THE PRESSURE OF THE GAS ACTING ON SUCH OTHER SIDE.
Claim 2
Dependent Claim
137 words
A VALVE FOR USE IN A REFRIGERATION SYSTEM, COMPRISING: (A) A BODY HAVING FIRST AND SECOND INTERCONNECTED INLET PASSAGEWAYS AND AN OUTLET COMMUNICATING WITH THE PASSAGEWAYS, (B) A VALVE SEAT AND A VALVE MEMBER COOPERABLE THEREWITH FOR CONTROLLING FLOW THROUGH THE FIRST PASSAGEWAY, (C) SAID VALVE MEMBER URGED TOWARD ITS SEAT BY A PLUNGER MOUNTED FOR RECIPROCATION IN THE BODY, (D) A PRESSURE RESPONSIVE MEMBER SECURRED TO THE PLUNGER AND RECIPROCATING THE PLUNGER UPON MOVEMENT THEREOF, (E) SAID PRESSURE RESPONSIVE MEMBER EXPOSED ON ONE SIDE TO THE SECOND PASSAGEWAY WHEREBY MOVEMENT OF THE PRESSURE RESPONSIVE MEMBER IS INFLUENCED BY PRESSURE CONDITIONS IN THE SECOND PASSAGEWAY, AND (F) MEANS CONNECTED TO THE OTHER SIDE OF SAID PRESSURE RESPONSIVE MEMBER FROM SAID FIRST AND SECOND INLET PASSAGEWAYS FOR VARYING THE PRESSURE OF THE GAS ACTING ON SUCH OTHER SIDE.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |