US3193853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressurized membrane container
Assignee: SOL B WICZER
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Filing: 1964-03-30
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Granted: 1965-07-13
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 David O Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:52
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04; F41F3/07; B; B65; B65D; B65D88/00; B65D88/78; F42; F42B; F42B22/00; F42B22/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE COMBINATION OF A RELATIVELY RIGID CONTAINER, FLUID TRANSFER VENTS IN SAID CONTAINER ALLOWING COMMUNICATION THROUGH ITS WALLS OF THE INTERIOR WITH THE EXTERIOR FOR FREE FLOW OF WATER THROUGH SAID VENTS, A COMMODITY STORED WITHIN SAID CONTAINER, A GAS AND WATERTIGHT EXPANDABLE MEMBRANE WITHIN SAID CONTAINER PROTECTIVELY SEPARATING SAID COMMODITY FROM THE WATER ENTERING THROUGH SAID VENTS, AND MEANS FOR PASSING GAS INTO THE STORAGE AREA OF THE COMMODITY CONFINED BY SAID MEMBRANE UNDER SUFFICIENTLY HIGH PRESSURE TO INFLATE SAID MEMBRANE TO EXPEL WATER THROUGH SAID VENTS AND IMPART BUOYANCY TO THE COMBINATION.
Claim 2
Dependent Claim
94 words
THE COMBINATION OF A RELATIVELY RIGID CONTAINER, FLUID TRANSFER VENTS IN SAID CONTAINER ALLOWING COMMUNICATION THROUGH ITS WALLS OF THE INTERIOR WITH THE EXTERIOR FOR FREE FLOW OF WATER THROUGH SAID VENTS, A COMMODITY STORED WITHIN SAID CONTAINER, A GAS AND WATERTIGHT EXPANDABLE MEMBRANE WITHIN SAID CONTAINER PROTECTIVELY SEPARATING SAID COMMODITY FROM THE WATER ENTERING THROUGH SAID VENTS, AND MEANS FOR PASSING GAS INTO THE STORAGE AREA OF THE COMMODITY CONFINED BY SAID MEMBRANE UNDER SUFFICIENTLY HIGH PRESSURE TO INFLATE SAID MEMBRANE TO EXPEL WATER THROUGH SAID VENTS AND IMPART BUOYANCY TO THE COMBINATION.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |