US2546845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: AUTOMATIC INSTR Co
•
Filing: 1944-03-25
•
Granted: 1951-03-27
•
Expires: 1964-03-25
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Andres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/22; G11B17/26; G11B17/02; G11B17/022; G11B17/028; G11B17/0282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US956727A
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US1841593A
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US2094250A
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US2018881A
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US2104032A
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US2095467A
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US2263643A
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US2216029A
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US2286490A
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US2318654A
Cited
US2348506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |