US3258318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Etched metal foil for electrolytic capacitors and the like consisting of silver-aluminum alloys
Assignee: Rheinische Blattmetall AG
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Filing: 1964-09-03
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Granted: 1966-06-28
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Expires: 1984-09-03
Abstract
No abstract record available.
Inventors
- 👤 Gruhl Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:18
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/042; H01G9/045; C; C22; C22C; C22C21/00; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/16; C23F1/20; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431; Y10T428/12993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
AN ETCHED METAL FOIL FOR ELECTROLYTIC CAPACITORS AND THE LIKE CONSISTING OF BETWEEN 0.0001% AND 1% SILVER, THE BALANCE BEING ALUMINUM HAVING A PURITY OF AT LEAST 99.99%.
Claim 2
Dependent Claim
28 words
AN ETCHED METAL FOIL FOR ELECTROLYTIC CAPACITORS AND THE LIKE CONSISTING OF BETWEEN 0.0001% AND 1% SILVER, THE BALANCE BEING ALUMINUM HAVING A PURITY OF AT LEAST 99.99%.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |