US2963383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray silvering procedures
Assignee: Kay Chemicals Inc
•
Filing: 1959-05-14
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Granted: 1960-12-06
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Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Weinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:56
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; C23C18/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PROCESS OF SPRAY SILVERING WHICH COMPRISES CONTINUOUSLY FLOWING A STREAM OF CONCENTRATED REDUCIBLE SILVER SALT SOLUTION, CONTINUOUSLY FLOWING A STREAM OF CONCENTRATED REDUCING SOLUTION AT SUBSTANTIALLY THE SAME RATE AS SAID STREAM OF SILVER SALT SOLUTION, CONTINUOUSLY FLOWING A STREAM OF CARRIER AND DILUENT WATER IN A VOLUME OF FROM 10 TO 100 TIMES THE VOLUME OF SAID SILVER SALT SOLUTION, CO-MINGLING ALL THREE STREAMS TO PRODUCE A MIXED STREAM CONTAINING WATER, REDUCIBLE SILVER SALT SOLUTION AND REDUCING SOLUTION IN A STATE OF REACTIVITY SUCH AS TO DEPOSIT SILVER IN A UNIFORM DENSE LAYER UPON THE SPRAYING OF SAID MIXED STREAM ONTO A SUPPORT, AND SPRAYING SAID MIXED STREAM ONTO SAID SUPPORT.
Claim 2
Dependent Claim
113 words
A PROCESS OF SPRAY SILVERING WHICH COMPRISES CONTINUOUSLY FLOWING A STREAM OF CONCENTRATED REDUCIBLE SILVER SALT SOLUTION, CONTINUOUSLY FLOWING A STREAM OF CONCENTRATED REDUCING SOLUTION AT SUBSTANTIALLY THE SAME RATE AS SAID STREAM OF SILVER SALT SOLUTION, CONTINUOUSLY FLOWING A STREAM OF CARRIER AND DILUENT WATER IN A VOLUME OF FROM 10 TO 100 TIMES THE VOLUME OF SAID SILVER SALT SOLUTION, CO-MINGLING ALL THREE STREAMS TO PRODUCE A MIXED STREAM CONTAINING WATER, REDUCIBLE SILVER SALT SOLUTION AND REDUCING SOLUTION IN A STATE OF REACTIVITY SUCH AS TO DEPOSIT SILVER IN A UNIFORM DENSE LAYER UPON THE SPRAYING OF SAID MIXED STREAM ONTO A SUPPORT, AND SPRAYING SAID MIXED STREAM ONTO SAID SUPPORT.
References Cited (Backward Citations)
US1593998A
Cited
US2214476A
Cited
US2363354A
Cited
US2445253A
Cited
US2598391A
Cited
US2815298A
Cited
US2739013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |