US2848574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slow make and break switch
Assignee: General Electric Co
•
Filing: 1954-08-30
•
Granted: 1958-08-19
•
Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Hutt Philip
- 👤 Edwin G Wilmot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:22
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12; H01H23/16; H01H23/168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1153505A
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US1992432A
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US1878667A
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US2253968A
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GB562631A
Cited
US2377134A
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US2470613A
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US2500181A
Cited
US2626335A
Cited
US2705785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |