US2927168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple rotary switch control
Assignee: Individual
•
Filing: 1957-02-19
•
Granted: 1960-03-01
•
Expires: 1977-02-19
Abstract
No abstract record available.
Inventors
- 👤 Franklin M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:31
CPC Classifications
H; H01; H01H; H01H25/00; H01H25/06; H01H19/00; H01H19/02; H01H19/10; H01H19/11; H01H3/00; H01H3/02; H01H3/0213; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1743357A
Cited
US1106593A
Cited
US1753505A
Cited
US1940930A
Cited
US2501415A
Cited
US2614181A
Cited
US2603725A
Cited
FR1031777A
Cited
US2676235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |