US2985803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced electrode and method of making same
Assignee: Individual
•
Filing: 1953-04-01
•
Granted: 1961-05-23
•
Expires: 1973-04-01
Abstract
No abstract record available.
Inventors
- 👤 Helen E Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:19
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; H01B; H01B1/00; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/72; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T29/00; Y10T29/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2375211A
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US2297607A
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US2297608A
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US2439137A
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US2446524A
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US2578667A
Cited
US2616165A
Cited
US2609320A
Cited
US2582744A
Cited
US2699415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |