US2886624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery case filling plug and liquid level indicator
Assignee: LEED RES Co
•
Filing: 1957-09-16
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Granted: 1959-05-12
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Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Richard E Krukowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:58
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/66; H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; H01M10/484; G01F23/76; H01M50/00; H01M50/30; H01M50/308; H01M50/60; H01M50/609; H01M50/627; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |