US3375434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant current generator
Assignee: Winsco Instr & Controls Compan
•
Filing: 1965-05-06
•
Granted: 1968-03-26
•
Expires: 1985-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jerome R Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3005147A
Cited
US2994029A
Cited
US3031608A
Cited
US3160807A
Cited
US3246233A
Cited
US3311814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |