US2706230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable resistor
Assignee: Bourns Inc
•
Filing: 1952-06-06
•
Granted: 1955-04-12
•
Expires: 1972-06-06
Abstract
No abstract record available.
Inventors
- 👤 Marlan E Bourns
- 👤 Marvin E Harrison
- 👤 Edward J Goeppinger
- 👤 Robert M Whitehorn
- 👤 William M Hedges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:51
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190228792A
Cited
US1660979A
Cited
US1697412A
Cited
US2242327A
Cited
US2243990A
Cited
US2561535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |