Patent US3499831A successfully refreshed from Google Patents.
US3499831A
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Copper and ferrous metal current collector and electrolytic cell therewith
Assignee: Reynolds Metals Co
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Filing: 1966-10-18
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Granted: 1970-03-10
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Expires: 1986-10-18
Abstract
No abstract record available.
Inventors
- 👤 Curtis J Mcminn
- 👤 Vaughn L Bullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:52
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/16; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12264; Y10T428/12389; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US309509A
Cited
US309439A
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US1279192A
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US1891943A
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US2055948A
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US2377164A
Cited
US3179736A
Cited
US3390071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |