Patent US2541892A successfully refreshed from Google Patents.
US2541892A
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US
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Electric switch position indicator
Assignee: HOTPOINT Inc
•
Filing: 1948-02-07
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Granted: 1951-02-13
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Expires: 1968-02-07
Abstract
No abstract record available.
Inventors
- 👤 Herman W Schulze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:47
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/105; H; H01; H01H; H01H19/00; H01H19/02; H01H19/025; H01H9/00; H01H9/16; F; F24; F24C; F24C7/00; F24C7/08; F24C7/082; Y; Y10; Y10S; Y10S16/00; Y10S16/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1797772A
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US1931012A
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US1898642A
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US2043054A
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GB457062A
Cited
US2158925A
Cited
US2129474A
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US2269503A
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US2341924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |