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US2469825A
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Assignee: Individual
•
Filing: 1945-12-26
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Granted: 1949-05-10
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Expires: 1965-12-26
Abstract
No abstract record available.
Inventors
- 👤 Hornstein Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:41
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US671075A
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US932265A
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US926380A
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US1029487A
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US1070711A
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US2143469A
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US2217531A
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US2332624A
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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) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |