US2822289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating a surface with silver from solution
Assignee: Olin Corp
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Filing: 1954-08-18
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Granted: 1958-02-04
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Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest H Millard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:53
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; C23C18/44; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C03; C03C; C03C17/00; C03C17/06; C03C17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD OF COATING A SURFACE WITH AN ADHERENT FILM OF METALLIC SILVER WHICH COMPRISES SUBSTANTIALLY SIMULTANEOUSLY MIXING AND SPRAYING ONTO THE SURFACE TO BE COATED TWO AQUEOUS SOLUTIONS; ONE SOLUTION COMPRISING SILVER NITRATE IN A CONCENTRATION OF ABOUT 1 TO 2.5 PERCENT BY WEIGHT AND THE OTHER SOLUTION COMPRISING A REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF B-HYDROXYETHYLHYDRAZINE AND ITS SALTS IN A CONCENTRATION OF ABOUT 1 TO 2 PERCENT BY WEIGHT; AT LEAST ONE OF SAID SOLUTIONS CONTAINING AMMONIUM HYDROXIDE.
Claim 2
Independent Claim
83 words
A METHOD OF COATING A SURFACE WITH AN ADHERENT FILM OF METALLIC SILVER WHICH COMPRISES SUBSTANTIALLY SIMULTANEOUSLY MIXING AND SPRAYING ONTO THE SURFACE TO BE COATED TWO AQUEOUS SOLUTIONS; ONE SOLUTION COMPRISING SILVER NITRATE IN A CONCENTRATION OF ABOUT 1 TO 2.5 PERCENT BY WEIGHT AND THE OTHER SOLUTION COMPRISING A REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF B-HYDROXYETHYLHYDRAZINE AND ITS SALTS IN A CONCENTRATION OF ABOUT 1 TO 2 PERCENT BY WEIGHT; AT LEAST ONE OF SAID SOLUTIONS CONTAINING AMMONIUM HYDROXIDE.
References Cited (Backward Citations)
US2214476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |