US3004903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anodizing method
Assignee: AT&T Inc
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Filing: 1946-08-29
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Granted: 1961-10-17
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Expires: 1966-08-29
Abstract
No abstract record available.
Inventors
- 👤 Mendizza August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:17
CPC Classifications
C; C25; C25D; C25D11/00; H; H01; H01M; H01M4/00; H01M4/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE PROCESS OF FORMING A LAYER OF SILVER CHLORIDE ON A BODY OF SILVER WHICH COMPRISES MAINTAINING SAID BODY OF SILVER AS AN ANODE IN AN AQUEOUS BATH WHICH HAS A PH BELOW ABOUT 6.5, WHICH CONTAINS CHLORIDE IONS IN A CONCENTRATION BETWEEN ABOUT .1 MOL PER LITER AND ABOUT 1 MOL PER LITER, IONS OF A HALOGEN OF ATOMIC WEIGHT GREATER THAN CHLORINE IN A CONCENTRATION OF BETWEEN ABOUT .00002 MOL PER LITER AND ABOUT .006 MOL PER LITER, AND NITRATE IONS IN A CONCENTRATION OF BETWEEN ABOUT .001 MOL PER LITER AND ABOUT .1 MOL PER LITER.
Claim 2
Dependent Claim
99 words
THE PROCESS OF FORMING A LAYER OF SILVER CHLORIDE ON A BODY OF SILVER WHICH COMPRISES MAINTAINING SAID BODY OF SILVER AS AN ANODE IN AN AQUEOUS BATH WHICH HAS A PH BELOW ABOUT 6.5, WHICH CONTAINS CHLORIDE IONS IN A CONCENTRATION BETWEEN ABOUT .1 MOL PER LITER AND ABOUT 1 MOL PER LITER, IONS OF A HALOGEN OF ATOMIC WEIGHT GREATER THAN CHLORINE IN A CONCENTRATION OF BETWEEN ABOUT .00002 MOL PER LITER AND ABOUT .006 MOL PER LITER, AND NITRATE IONS IN A CONCENTRATION OF BETWEEN ABOUT .001 MOL PER LITER AND ABOUT .1 MOL PER LITER.
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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |