Patent US1849308A successfully refreshed from Google Patents.
Patent US2759336A successfully refreshed from Google Patents.
US2759336A
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Pressure fluid release device
Assignee: Liquid Carbonic Corp
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Filing: 1952-07-01
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Granted: 1956-08-21
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Expires: 1972-07-01
Abstract
No abstract record available.
Inventors
- 👤 Fred C Seefeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:58
CPC Classifications
F; F16; F16K; F16K29/00; F16K29/02; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/428; Y10T137/4336; Y10T137/4351; Y10T137/6198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A REFRIGERATION SYSTEM IN WHICH A LIQUID REFRIGERANT IS CHILLED BY CONTACT WITH EXPANDED CO2 AND IN WHICH THE REFRIGERANT IS CONTAINED WITHIN AN INSULATED VESSEL, A NOZZLE SECURED WITHIN AN OPENING IN THE SIDE WALL OF SAID VESSEL AND HAVING ITS DISCHARGE PORT COMMUNICATING WITH THE REFRIGERANT IN SAID VESSEL, A CONDUIT LEADING FROM A SOURCE OF LIQUID CO2 TO THE BORE OF SAID NOZZLE, MEANS FOR CONTROLLING THE FLOW OF CO2 IN SAID BORE, A MOVABLE MEMBER ADJACENT THE DISCHARGE PORTION OF SAID NOZZLE, AND POWER MEANS FOR MOVING SAID MEMBER TO BREAK CRYSTALS FORMING WITHIN THE BORE OF SAID NOZZLE ADJACENT SAID DISCHARGE PORTION.
Claim 2
Dependent Claim
108 words
IN A REFRIGERATION SYSTEM IN WHICH A LIQUID REFRIGERANT IS CHILLED BY CONTACT WITH EXPANDED CO2 AND IN WHICH THE REFRIGERANT IS CONTAINED WITHIN AN INSULATED VESSEL, A NOZZLE SECURED WITHIN AN OPENING IN THE SIDE WALL OF SAID VESSEL AND HAVING ITS DISCHARGE PORT COMMUNICATING WITH THE REFRIGERANT IN SAID VESSEL, A CONDUIT LEADING FROM A SOURCE OF LIQUID CO2 TO THE BORE OF SAID NOZZLE, MEANS FOR CONTROLLING THE FLOW OF CO2 IN SAID BORE, A MOVABLE MEMBER ADJACENT THE DISCHARGE PORTION OF SAID NOZZLE, AND POWER MEANS FOR MOVING SAID MEMBER TO BREAK CRYSTALS FORMING WITHIN THE BORE OF SAID NOZZLE ADJACENT SAID DISCHARGE PORTION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |