Patent US2596867A successfully refreshed from Google Patents.
US2596867A
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US
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Tubular router
Assignee: J A RICHARDS Co
•
Filing: 1949-07-14
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Granted: 1952-05-13
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Expires: 1969-07-14
Abstract
No abstract record available.
Inventors
- 👤 Robert E Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:23
CPC Classifications
B; B23; B23C; B23C3/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305544; Y10T409/305656; Y10T409/305768
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US143626A
Cited
US327856A
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US544010A
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US622832A
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US964752A
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US1882586A
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US1983438A
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US2322129A
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US2280481A
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US2343875A
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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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |