Patent US3559261A successfully refreshed from Google Patents.
US3559261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milling cutter with bit seat members welded to the body
Assignee: Individual
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Filing: 1968-11-20
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Granted: 1971-02-02
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Expires: 1988-11-20
Abstract
Abstract PATENT 3,104,453 IS IMPROVED BY ARC WELDING THE BIT SEAT MEMBERS TO THE BODY AT AT LEAST TWO POINTS ON THE JUNCTIONS BETWEEN EACH BIT SEAT MEMBER AND THE BODY AND THE TRAILING SIDES OF THE SLOTS RECEIVING THE BIT SEAT MEMBER, THE POINTS BEING REMOTE FROM THE BIT SEATS.
Inventors
- 👤 Walter J Greenleaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:55
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2265; B23C5/2278; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/192; Y10T407/1932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |