Patent US3069646A successfully refreshed from Google Patents.
US3069646A
Expired / Lapsed
US
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Variable resistor device
Assignee: Bourns Inc
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Filing: 1961-06-26
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Granted: 1962-12-18
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Wilbur T Hardison
- 👤 Victor G Mathison
- 👤 Richard E Caddock
- 👤 Marlan E Bourns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:39
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1693009A
Cited
US2539575A
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US2494998A
Cited
US2884506A
Cited
US2883501A
Cited
US2953762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |