US3318104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for storing low-boiling liquids
Assignee: Individual
•
Filing: 1965-12-13
•
Granted: 1967-05-09
•
Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Roszkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:48
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/02; F17C2221/00; F17C2221/03; F17C2221/032; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0157; F17C2227/03; F17C2227/0302; F17C2227/0304; F17C2227/0306; F17C2227/0367; F17C2227/0369; F17C2227/0374; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636; F17C2265/00; F17C2265/03; F17C2265/032; F17C2265/033; F17C2265/034
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
APPARATUS FOR STORAGE AT ATMOSPHERIC PRESSURE OF LIQUIDS BOILING BELOW NORMAL ATMOSPHERIC TEMPERATURES THAT COMPRISES: A STORAGE TANK HAVING A VAPOR SPACE THEREIN; UNRESTRICTED PASSAGE MEANS COMMUNICATING WITH SAID VAPOR SPACE AND THE ATMOSPHERE; REFRIGERATION MEANS IN INDIRECT HEAT EXCHANGE RELATION WITH SAID PASSAGE MEANS AND CAPABLE OF CONDENSING VAPORS FROM SAID VAPOR SPACE WITH SAID PASSAGE MEANS; HEATING MEANS WITHIN SAID TANK AND CAPABLE OF VAPORIZING LIQUID THEREIN; AND CONTROL MEANS OPERABLE TO MAINTAIN VAPOR WITHIN SAID VAPOR SPACE AND PREVENT LOSS OF VAPOR TO THE ATMOSPHERE AND INSPIRATION OF AIR, SAID CONTROL MEANS CONTROLLING SAID HEATING MEANS TO MAINTAIN A LOAD ON SAID REFRIGERATION MEANS.
Claim 2
Dependent Claim
107 words
APPARATUS FOR STORAGE AT ATMOSPHERIC PRESSURE OF LIQUIDS BOILING BELOW NORMAL ATMOSPHERIC TEMPERATURES THAT COMPRISES: A STORAGE TANK HAVING A VAPOR SPACE THEREIN; UNRESTRICTED PASSAGE MEANS COMMUNICATING WITH SAID VAPOR SPACE AND THE ATMOSPHERE; REFRIGERATION MEANS IN INDIRECT HEAT EXCHANGE RELATION WITH SAID PASSAGE MEANS AND CAPABLE OF CONDENSING VAPORS FROM SAID VAPOR SPACE WITH SAID PASSAGE MEANS; HEATING MEANS WITHIN SAID TANK AND CAPABLE OF VAPORIZING LIQUID THEREIN; AND CONTROL MEANS OPERABLE TO MAINTAIN VAPOR WITHIN SAID VAPOR SPACE AND PREVENT LOSS OF VAPOR TO THE ATMOSPHERE AND INSPIRATION OF AIR, SAID CONTROL MEANS CONTROLLING SAID HEATING MEANS TO MAINTAIN A LOAD ON SAID REFRIGERATION MEANS.
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |