US2595769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnet operated switch
Assignee: MAURICE J NOREGAARD
•
Filing: 1947-07-05
•
Granted: 1952-05-06
•
Expires: 1967-07-05
Abstract
No abstract record available.
Inventors
- 👤 Cooley Hal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:26
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/008; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7057; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1061919A
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US1165542A
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US1692878A
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US1880850A
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US2116246A
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US2121301A
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US2215162A
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US2324262A
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US2393428A
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US2440042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |