US2700002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating sodium chloride to render it moisture resistant
Assignee: United States Department of the Navy
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Filing: 1950-02-13
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Granted: 1955-01-18
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Expires: 1970-02-13
Abstract
No abstract record available.
Inventors
- 👤 Strong John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:58
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS OF TREATING SODIUM CHLORIDE TO PREVENT WATER ABSORPTION THEREIN WITHOUT DISTURBANCE OF THE INFRARED TRANSPARENCY THEREOF WHICH COMPRISES HEATING THE SODIUM CHLORIDE IN AN EVACUATED CHAMBER TO ABOUT 400* C., SUBJECTING THE SODIUM CHLORIDE TO THE VAPOR OF SILVER CHLORIDE TO FORM A COATING OF SILVER CHLORIDE ON SAID SODIUM CHLORIDE, AND FINALLY COOLING THE COATED SODIUM CHLORIDE TO ROOM TEMPERATURE.
Claim 2
Dependent Claim
63 words
THE PROCESS OF TREATING SODIUM CHLORIDE TO PREVENT WATER ABSORPTION THEREIN WITHOUT DISTURBANCE OF THE INFRARED TRANSPARENCY THEREOF WHICH COMPRISES HEATING THE SODIUM CHLORIDE IN AN EVACUATED CHAMBER TO ABOUT 400* C., SUBJECTING THE SODIUM CHLORIDE TO THE VAPOR OF SILVER CHLORIDE TO FORM A COATING OF SILVER CHLORIDE ON SAID SODIUM CHLORIDE, AND FINALLY COOLING THE COATED SODIUM CHLORIDE TO ROOM TEMPERATURE.
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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) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |