Patent EP0547739A1 successfully refreshed from Google Patents.
US2597288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled fishing float
Assignee: Individual
•
Filing: 1947-07-25
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Granted: 1952-05-20
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Expires: 1967-07-25
Abstract
No abstract record available.
Inventors
- 👤 Milford R Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:43
CPC Classifications
A; A01; A01K; A01K93/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US105240A
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US237262A
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US1304983A
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US809965A
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US780029A
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US944209A
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US1642582A
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US1752630A
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US1859557A
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US2103630A
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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) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |