Patent US2740857A successfully refreshed from Google Patents.
US2740857A
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US
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Electric switch with tilting movement
Assignee: Individual
•
Filing: 1952-11-18
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Granted: 1956-04-03
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Expires: 1972-11-18
Abstract
No abstract record available.
Inventors
- 👤 Porland Kjeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:07
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/28; H01H13/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2425159A
Cited
US2439747A
Cited
US2428172A
Cited
CH251998A
Cited
FR965336A
Cited
US2521277A
Cited
US2502326A
Cited
US2663770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |