US3035137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic switch assemblage
Assignee: Siemens Energy and Automation Inc
•
Filing: 1959-09-04
•
Granted: 1962-05-15
•
Expires: 1979-09-04
Abstract
No abstract record available.
Inventors
- 👤 William C Furnas
- 👤 Dale F Willcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:52
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H50/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2394090A
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US2617846A
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US2649521A
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US2672536A
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US2721963A
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US2874245A
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US2831938A
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US2921164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |