US1297643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying ribs to storage-battery separators.
Assignee: Individual
•
Filing: 1915-07-06
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Granted: 1919-03-18
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Expires: 1935-07-06
Abstract
No abstract record available.
Inventors
- 👤 Harry L Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:31
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/02; B29C66/026; B29C65/00; B29C65/02; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/47; B29C66/472; B29C66/4722; B29C66/70; B29C66/71; B29C66/73; B29C66/737; B29C66/7375; B29C66/73751; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81431; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/84; B29C66/843; B29C66/8432; H; H01; H01M; H01M50/00; H01M50/40; H01M50/403; H01M50/406; H01M50/463; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T156/1085; Y10T156/1089; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/1339
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1922-03-17 | 1922-09-16 | 1923-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-17 | 1926-09-16 | 1927-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-17 | 1930-09-16 | 1931-03-18 | $7700.00 | Window Closed / Lapsed |