US3383580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery-life indicator
Assignee: Susquehanna Corp
•
Filing: 1964-03-16
•
Granted: 1968-05-14
•
Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Jacob Lightsey Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:28
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/165; G01R19/16533; G01R19/16538; G01R19/16542; G01R31/00; G01R31/36; G01R31/385; G01R31/386
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3125718A
Cited
US2897430A
Cited
DE1035268B
Cited
US3118137A
Cited
US3022457A
Cited
US3201682A
Cited
US3157870A
Cited
US3307101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |