US2645003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: Standard Railway Equipment Manufacturing Co
•
Filing: 1950-02-09
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Granted: 1953-07-14
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Expires: 1970-02-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Thompson
- 👤 Karl T Nystrom
- 👤 Jesse H Mcquiddy
- 👤 Richard B Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:27
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2239; B23C5/2243; B23C2200/00; B23C2200/04; B23C2200/0405; B23C2200/045; B23C2200/16; B23C2200/165; B23C2200/36; B23C2200/361; B23C2215/00; B23C2215/36; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1932; Y10T407/1934; Y10T407/1936; Y10T407/1938; Y10T407/1942; Y10T407/195; Y10T407/1952; Y10T407/1956; Y10T407/1958; Y10T407/1962; Y10T407/1964; Y10T407/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR348600A
Cited
US1025724A
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US1342240A
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GB164047A
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US1432579A
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GB320809A
Cited
US2248931A
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US2289344A
Cited
US2396289A
Cited
GB602760A
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US2581609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |