US2458800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic switch construction
Assignee: Line Material Co
•
Filing: 1944-08-16
•
Granted: 1949-01-11
•
Expires: 1964-08-16
Abstract
No abstract record available.
Inventors
- 👤 William O Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:23
CPC Classifications
H; H01; H01H; H01H75/00; H01H75/02; H01H75/04; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2193
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752552A
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US693416A
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US704202A
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FR352644A
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US1380595A
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US1343793A
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US1670662A
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US1802768A
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US2112071A
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US2046701A
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US2150089A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |