US2907627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibiting vapor loss from liquids
Assignee: Sunoco Inc
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Filing: 1957-02-19
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Granted: 1959-10-06
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Expires: 1977-02-19
Abstract
No abstract record available.
Inventors
- 👤 Leland W T Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:58
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/22; B65D90/38; B65D90/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
PROCESS FOR INHIBITING VAPOR LOSS FROM A BODY OF VOLATILE LIQUID WHICH COMPRISES: SEPARATING SYNTHETIC RESINOUS PLASTIC FOAM OVER THE SURFACE ON A BODY OF VOLATILE LIQUID, INERT TO SAID FOAM, IN A STORAGE ZONE; AND CURING THE FOAM TO FORM A CELLULAR, COHESIVE LAYER WHICH INHIBITS VAPOR LOSS FROM THE LIQUID, SAID FOAM DURING SAID CURING BEING OUT OF ADHESIVE CONTACT WITH STATIONARY SOLID SURFACES IN SAID ZONE AT A LEVEL OF SAID LAYER, SAID LAYER SUBSEQUENTLY MOVING VERTICALLY IN SAID STORAGE ZONE WITH CHANGES IN THE LEVEL OF THE SUPPORTING SURFACE OF SAID BODY OF VOLATILE LIQUID.
Claim 2
Dependent Claim
99 words
PROCESS FOR INHIBITING VAPOR LOSS FROM A BODY OF VOLATILE LIQUID WHICH COMPRISES: SEPARATING SYNTHETIC RESINOUS PLASTIC FOAM OVER THE SURFACE ON A BODY OF VOLATILE LIQUID, INERT TO SAID FOAM, IN A STORAGE ZONE; AND CURING THE FOAM TO FORM A CELLULAR, COHESIVE LAYER WHICH INHIBITS VAPOR LOSS FROM THE LIQUID, SAID FOAM DURING SAID CURING BEING OUT OF ADHESIVE CONTACT WITH STATIONARY SOLID SURFACES IN SAID ZONE AT A LEVEL OF SAID LAYER, SAID LAYER SUBSEQUENTLY MOVING VERTICALLY IN SAID STORAGE ZONE WITH CHANGES IN THE LEVEL OF THE SUPPORTING SURFACE OF SAID BODY OF VOLATILE LIQUID.
References Cited (Backward Citations)
US1415351A
Cited
US2634244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |