US2066459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making asphaltic storage battery cases
Assignee: Richardson Co
•
Filing: 1934-12-06
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Granted: 1937-01-05
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Expires: 1954-12-06
Abstract
No abstract record available.
Inventors
- 👤 Edward R Dillehay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:21
CPC Classifications
C; C08; C08L; C08L95/00; H; H01; H01M; H01M50/00; H01M50/10; H01M50/116; H01M50/117; H01M50/121; H01M50/122; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S524/00; Y10S524/925
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) | 1940-01-05 | 1940-07-06 | 1941-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-05 | 1944-07-06 | 1945-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-05 | 1948-07-06 | 1949-01-05 | $7700.00 | Window Closed / Lapsed |