Patent US2463432A successfully refreshed from Google Patents.
US2463432A
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Assignee: F C RUSSELL Co
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Filing: 1945-03-31
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Granted: 1949-03-01
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Expires: 1965-03-31
Abstract
No abstract record available.
Inventors
- 👤 Frank C Russell
- 👤 Burton W Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:26
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/26; E06B3/2605; E06B2003/2615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590004A
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US978624A
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US1493750A
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US1895064A
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US2156964A
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US2262670A
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US2324139A
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US2344357A
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US2342614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |