US3249849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulation systems
Assignee: Individual
•
Filing: 1961-06-22
•
Granted: 1966-05-03
•
Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lagasse Jean
- 👤 Giralt Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:37
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/563
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
APPARATUS FOR DEVELOPING A MEASURING SIGNAL REPRESENTATIVE OF THE VALVE OF A CONTINUOUS D.C. VOLTAGE CARRIED BY A CONDUCTOR, COMPRISING, IN COMBINATION, A MAIN CONDENSER MEANS, IMEPDANCE MEANS PROVIDING A DISCHARGE PATH, MEANS FOR ALTERNATELY COUPLING SAID MAIN CONDENSER MEANS TO SAID CONDUCTOR AND SAID DISCHARGE PATH RESPECTIVELY, MEANS FOR APPLYING A KNOWN SIGNAL TO SAID DISCHARGE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |