Patent US2937433A successfully refreshed from Google Patents.
US2937433A
Expired / Lapsed
US
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Inserted-blade milling cutters
Assignee: Individual
•
Filing: 1957-02-15
•
Granted: 1960-05-24
•
Expires: 1977-02-15
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Rusinoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:34
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/18; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190716879A
Cited
US903469A
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US1180377A
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US1761755A
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US1797026A
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US1887373A
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US1843549A
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US1908208A
Cited
US2210314A
Cited
US2308569A
Cited
US2474643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |