Patent US2649647A successfully refreshed from Google Patents.
US2649647A
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Toolholder
Assignee: WEST SHORE Manufacturing CO
•
Filing: 1949-08-25
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Granted: 1953-08-25
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Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 Solon A Sternbergh
- 👤 Charles S Knabb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:44
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1685; B23B27/1688; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T407/2252; Y10T407/2256; Y10T407/2266; Y10T407/2272; Y10T407/2282; Y10T407/2292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE460156C
Cited
FR488746A
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US1282984A
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GB174575A
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DE417950C
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FR565126A
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DE494973C
Cited
US2107835A
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US2223191A
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CH234828A
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US2431852A
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US2421162A
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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) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |