Patent US2786104A successfully refreshed from Google Patents.
US2786104A
Expired / Lapsed
US
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Rotary stud switches
Assignee: Muirhead and Co Ltd
•
Filing: 1953-10-23
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Granted: 1957-03-19
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Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Kirchel Alan Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:40
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE376108C
Cited
US703234A
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GB329445A
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US1908204A
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US2270727A
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US2241262A
Cited
US2319240A
Cited
GB619474A
Cited
US2632822A
Cited
US2577225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |