US3546576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery analyzer and discharge device including means for comparing the battery potential with a reference potential
Assignee: OGDEN TECHNOLOGY LAB Inc
•
Filing: 1966-11-17
•
Granted: 1970-12-08
•
Expires: 1986-11-17
Abstract
No abstract record available.
Inventors
- 👤 James A Frezzolini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:25
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/165; G01R19/16533; G01R19/16538; G01R19/16542
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1922792A
Cited
US2270554A
Cited
US2229009A
Cited
US2267826A
Cited
US2758275A
Cited
US3017570A
Cited
US3060374A
Cited
US3171032A
Cited
US3277312A
Cited
US3356939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |