Patent US3054472A successfully refreshed from Google Patents.
US3054472A
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US
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Sound discriminating device
Assignee: Individual
•
Filing: 1955-01-31
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Granted: 1962-09-18
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Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 John V Atanasoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:36
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10S367/00; Y10S367/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1422876A
Cited
US1547740A
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US1733718A
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US2210415A
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US2172871A
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US2299620A
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US2225312A
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US2262146A
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US2463762A
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US2524393A
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US2739659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |