US3515983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive circuit for measuring capacity of electrical cells
Assignee: McDonnell Douglas Corp
•
Filing: 1968-05-27
•
Granted: 1970-06-02
•
Expires: 1988-05-27
Abstract
No abstract record available.
Inventors
- 👤 Leonhard M Lante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:12
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/625; G05F1/63; G01; G01R; G01R31/00; G01R31/36; G01R31/396
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3432743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |