Patent US2925643A successfully refreshed from Google Patents.
US2925643A
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Method of manufacturing electrode systems
Assignee: US Philips Corp
•
Filing: 1954-12-07
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Granted: 1960-02-23
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Expires: 1974-12-07
Abstract
No abstract record available.
Inventors
- 👤 Haayman Pieter Willem
- 👤 Johannes Jacobus Asuerus P Ams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:25
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/80; H10D62/83; H10D62/834; B; B25; B25B; B25B1/00; B25B1/20; H10D64/00; H10P; H10P14/00; H10P14/40; H10P14/46; H10P95/00; H10P95/50; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12681; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/1284; Y10T428/12861; Y10T428/12889
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2665399A
Cited
US2551413A
Cited
US2697269A
Cited
US2671156A
Cited
US2733390A
Cited
US2750542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |