US2445125A
Expired / Lapsed
US
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Assignee: FKI Industries Inc
•
Filing: 1945-02-06
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Granted: 1948-07-13
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Expires: 1965-02-06
Abstract
No abstract record available.
Inventors
- 👤 John R Reyburn
- 👤 Kuhnl Leopold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:12
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/32; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US289430A
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US541527A
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US1010207A
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GB184245A
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US1909400A
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US2275993A
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US2381206A
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US2339130A
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GB553901A
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US2372884A
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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) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |