US3696931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vessel having an osmotic membrane as an enclosing part thereof
Assignee: Individual
•
Filing: 1969-04-16
•
Granted: 1972-10-10
•
Expires: 1989-04-16
Abstract
Abstract A cup having an osmotic membrane as a cover for an opening in the bottom or side of the cup for a process for desalinization of sea water by regular (natural) osmosis of water from sea water into a comestible food which is neither separable by volatilizing nor separable from liquid phase water by other methods, and the diluted comestible food may be consumed without further processing.
Inventors
- 👤 William T Hough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:27
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/44; C02F1/445; B; B01; B01D; B01D61/00; B01D61/002; B01D61/0022; C02F2307/00; C02F2307/02; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y02A20/131
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
23 words
An article according to claim 1, in which said part comprises substantially said vessel''s bottom, and in which said vessel is a cup.
Claim 2
Dependent Claim
15 words
An article according to claim 2, including an outer cover securable over said cup''s bottom.
Claim 3
Dependent Claim
14 words
An article according to claim 3, including a water-soluble comestible food within said cup.
Claim 4
Dependent Claim
18 words
An article according to claim 4, including a removable top on said cup, sealably across said cup''s opening.
Claim 5
Dependent Claim
28 words
An article according to claim 1, in which said part comprises at least a lower section of said vessel''s wall, and in which said vessel is a cup.
Claim 6
Dependent Claim
27 words
An article according to claim 6, including a water-soluble comestible food within said cup, and including a removable top on said cup, sealably across said cup''s opening.
Claim 7
Dependent Claim
18 words
An article comprising a portable vessel comprising an osmotic semipermeable membrane as an enclosing part of said vessel.
Claim 8
Dependent Claim
23 words
An article comprising a portable drinking vessel in which at least a portion of said vessel''s enclosing structure is an osmotic semipermeable membrane.
Claim 9
Dependent Claim
33 words
An article comprising a vessel for containing a liquid, a portion of said vessel''s enclosing structure being a non-semipermeable material, and another portion of said vessel''s enclosing structure being an osmotic semipermeable structure.
Claim 10
Dependent Claim
15 words
An article according to claim 10, in which said osmotic structure comprises a ceramic material.
Claim 11
Dependent Claim
13 words
An article according to claim 11, in which said ceramic material comprises porcelain.
Claim 12
Dependent Claim
29 words
An article according to claim 12, in which said non-semipermeable material comprises a plastic flexible-membrane material, with said porcelain forming an osmotic port in a face of said material.
Claim 13
Dependent Claim
15 words
An article according to claim 11, in which said non-permeable material comprises a flexible material.
Claim 14
Dependent Claim
14 words
An article according to claim 14, in which said osmotic structure comprises a membrane.
References Cited (Backward Citations)
US1483498A
Cited
US3156645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |