US3105933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor regulated direct current power supply
Assignee: EICO ELECTRONIC INSTRUMENT CO
•
Filing: 1959-07-31
•
Granted: 1963-10-01
•
Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 Proc Wiatsheslaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:04
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/59; G05F1/595
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2398916A
Cited
US2629014A
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US2897430A
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US2751549A
Cited
US2755428A
Cited
US2920265A
Cited
US2995697A
Cited
US2906941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |