US3358346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbide cutting tools and methods of fabrication
Assignee: RTX Corp
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Filing: 1966-05-06
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Granted: 1967-12-19
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Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Fred H Samuelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:14
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/28; B23P15/32; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
A CUTTING TOOL COMPRISING A TOOL BODY HAVING AT LEAST ONE GROOVE FOUND IN ITS CUTTING END, A PLURALITY OF METALLIC INSERT-SUPPORTING MEMBERS OF SUBSTANTIAL THICKNESS WELDED TO THE SIDES OF THE GROOVE ALONG THE LENGTH THEREOF, THE INDIVIDUAL INSERT-SUPPORTING MEMBERS ON OPPOSITE SIDES OF THE GROOVE BEING AXIALLY COEXTENSIVE WITH EACH OTHER AND DEFINING AN INSERT-RECEIVING CAVITY THEREBETWEEN AND A CARBIDE CUTTING CLOSELY RECEIVED IN EACH CAVITY BETWEEN THE OPPOSING INSERT-SUPPORTING MEMBERS AND BRAZED THERETO, THE BRAZED JOINTS CONSTITUTING THE SOLE CONNECTIONS BETWEEN THE RESPECTIVE INSERTS AND THE REST OF THE TOOL ASSEMBLY.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |