Patent FR557582A successfully refreshed from Google Patents.
Patent US4294315A successfully refreshed from Google Patents.
Patent US3097500A successfully refreshed from Google Patents.
US3097500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control system
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
•
Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:57
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CHAMBER TEMPERATURE CONTROL SYSTEM COMPRISING AN ENCLOSED RESERVOIR OF LIQUIFIED GAS, A FIRST PIPE LEADING FROM BELOW THE SURFACE OF LIQUID IN THE RESERVOIR TO SAID CHAMBER THE TEMPERATURE OF WHICH IS TO BE CONTROLLED, A SOURCE OF GAS UNDER CONSTANT PRESSURE, HOUSING MEANS PROVIDING A VALVE CHAMBER HAVING AN INLET PORT AND A VENT TO THE ATMOSPHERE OF RESTRICTED CROSS-SECTIONAL AREA, MEANS CONNECTING THE INLET PORT OF THE HOUSING MEANS TO THE SOURCE OF GAS UNDER PREURE, A THERMOSTATICALLY OPERATED VALVE IN SAID INLET PORT FOR CONTROLLING THE AREA OF THE PORT IN ACCORDANCE WITH CHANGES IN THE TEMPERATURE OF THE TEMPEATURE-CONTROLLED CHAMBER, AND A SECOND PIPE IN COMMUNICATION WITH THE HOUSING MEANS AT ONE SIDE OF THE INLET PORT AND ENDING ABOVE THE LIQUIFIED GAS IN THE RESERVOIR.
Claim 2
Dependent Claim
131 words
A CHAMBER TEMPERATURE CONTROL SYSTEM COMPRISING AN ENCLOSED RESERVOIR OF LIQUIFIED GAS, A FIRST PIPE LEADING FROM BELOW THE SURFACE OF LIQUID IN THE RESERVOIR TO SAID CHAMBER THE TEMPERATURE OF WHICH IS TO BE CONTROLLED, A SOURCE OF GAS UNDER CONSTANT PRESSURE, HOUSING MEANS PROVIDING A VALVE CHAMBER HAVING AN INLET PORT AND A VENT TO THE ATMOSPHERE OF RESTRICTED CROSS-SECTIONAL AREA, MEANS CONNECTING THE INLET PORT OF THE HOUSING MEANS TO THE SOURCE OF GAS UNDER PREURE, A THERMOSTATICALLY OPERATED VALVE IN SAID INLET PORT FOR CONTROLLING THE AREA OF THE PORT IN ACCORDANCE WITH CHANGES IN THE TEMPERATURE OF THE TEMPEATURE-CONTROLLED CHAMBER, AND A SECOND PIPE IN COMMUNICATION WITH THE HOUSING MEANS AT ONE SIDE OF THE INLET PORT AND ENDING ABOVE THE LIQUIFIED GAS IN THE RESERVOIR.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |