US3451853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate assembly,cell and method for making same
Assignee: VARTA AG
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Filing: 1966-05-13
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Granted: 1969-06-24
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Expires: 1986-05-13
Abstract
No abstract record available.
Inventors
- 👤 Dieter Spahrbier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:55
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/52; B29C65/54; B29C65/542; B22; B22D; B22D19/00; B22D19/04; B29C66/00; B29C66/01; B29C66/05; B29C66/304; H; H01; H01M; H01M10/00; H01M10/04; H01M10/0413; H01M6/00; H01M8/00; H01M8/02; H01M8/0271; H01M8/0273; H01M8/24; H01M8/2404; H01M8/2455; H01M8/2457; H01M8/2459; H10; H10W; H10W72/00; B29C65/4805; B29C65/481; B29C65/4815; B29C65/483; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/534; B29C66/5346; B29C66/53465; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50; Y10; Y10S; Y10S164/00; Y10S164/01
Claims Analysis
Total Claims: 0
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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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |