US3454873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery tester
Assignee: Individual
•
Filing: 1969-01-02
•
Granted: 1969-07-08
•
Expires: 1989-01-02
Abstract
No abstract record available.
Inventors
- 👤 Norman Abrahams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:13
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/50; H01M6/5044; G; G01; G01R; G01R31/00; G01R31/36; G01R31/385
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2081656A
Cited
US2522660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |