US3483461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charging apparatus with timing device
Assignee: Marquette Corp
•
Filing: 1967-11-22
•
Granted: 1969-12-09
•
Expires: 1987-11-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:27
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/90; H02J7/92; Y; Y10; Y10S; Y10S320/00; Y10S320/18; Y10S320/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2431707A
Cited
US2432069A
Cited
US3178629A
Cited
US3200303A
Cited
US3246182A
Cited
US3388566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |