US3613197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threading insert
Assignee: Carmet Co
•
Filing: 1970-03-09
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Granted: 1971-10-19
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Expires: 1990-03-09
Abstract
Abstract AN ANDEXABLE AND REVERSIBLE THREADING OR GROOVING INSERT HAVING A HUB PORTION AND A PLURALITY OF RADIALLY EXTENDING PROJECTIONS THEREFROM, EACH OF SAID PROJECTIONS BEING SUBSTANTIALLY IDENTICAL IN SIZE AND SHAPE, EACH OF SAID PROJECTIONS HAVING A PAIR OF CUTTING EDGES ON EITHER SIDE OF THE PROJECTION. INSERT SUPPORT MEANS ARE ALSO PROVIDED TO SUPPORT THE OPERATIVE CUTTING EDGE ON THE UNDERSIDE OF ITS PROJECTION.
Inventors
- 👤 Henry W Stier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:55
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/08; B23B27/083; B23B27/06; B23B27/065; B23B27/14; B23B27/16; B23B27/1614; B23B2200/00; B23B2200/04; B23B2200/048; B23B2205/00; B23B2205/12; Y; Y10; Y10T; Y10T407/00; Y10T407/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |