US2475573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically coupled recorderindicating instrument
Assignee: Elsag Bailey Inc
•
Filing: 1944-10-18
•
Granted: 1949-07-05
•
Expires: 1964-10-18
Abstract
No abstract record available.
Inventors
- 👤 Edward M Smith
- 👤 Donald P Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:31
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/28; G01D15/32; F; F16; F16L; F16L25/00; G01D15/24; G08; G08C; G08C19/00; G08C19/02; Y; Y10; Y10S; Y10S116/00; Y10S116/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1174787A
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US2074116A
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US2074117A
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US2124832A
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US2244653A
Cited
US2226287A
Cited
US2307912A
Cited
US2288688A
Cited
US2353740A
Cited
US2417339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |