Patent US1912987A successfully refreshed from Google Patents.
US3220149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cutting metals
Assignee: Individual
•
Filing: 1963-11-01
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Granted: 1965-11-30
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Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Dioguardi Reno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:58
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/18; B23D61/185; B23D57/00; B23D57/0007; B24; B24B; B24B27/00; B24B27/06; B24B27/0633; B28; B28D; B28D1/00; B28D1/02; B28D1/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A METHOD OF CUTTING METAL COMPRISING MOVING A LENGTH OF WIRE ACROSS AND IN ENGAGEMENT WITH A PIECE OF METAL TO BE CUT SO THAT A PART OF SAID LENGTH ENGAGES SAID PIECE OF METAL ALONG SUBSTANTIALLY THE LENGTH OF CUT, SAID MOVING BEING SUCH THAT IN TRAVEL ACROSS AND IN ENGAGEMENT WITH SAID PIECE OF METAL SAID PART OF SAID LENGTH OF WIRE TRAVELS IN A PATH SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID PART OF SAID LENGTH TO PRODUCE A CUT EXTENDING SUBSTANTIALLY IN THE DIRECTION OF SAID MOVING, DELIVERING A MIXTURE OF INDIVIDUAL AND FREE ABRASIVE PARTICLES AND A LIQUID TO SAID PIECE OF METAL AND TO SAID WIRE AT THAT PORTION OF SAID PIECE WHERE SAID WIRE FIRST ENGAGES SAME IN ITS MOVEMENT TO AND ACROSS SAID PIECE AND TO SAID PIECE OF METAL ALONG AT LEAST A PORTION THEREOF WHERE SAID WIRE ENGAGES SAID METAL, DURING SAID MOVING ADVANCING SAID WIRE INTO AND THROUGH SAID PIECE OF METAL AS THE CUTTING THEREOF PROGRESSES, CARRYING OUT SAID DELIVERY OF SAID MIXTURE SUBSTANTIALLY THROUGHOUT SAID ADVANCING OF SAID WIRE INTO AND THROUGH SAID METAL, AND PERFORMING SAID CUTTING WITH A TENSION IN SAID WIRE OF AN ORDER OF MAGNITUDE OF AT LEAST ABOUT 25,000 P.S.I. IN A 1/2" DIAMETER WIRE.
Claim 2
Independent Claim
214 words
A METHOD OF CUTTING METAL COMPRISING MOVING A LENGTH OF WIRE ACROSS AND IN ENGAGEMENT WITH A PIECE OF METAL TO BE CUT SO THAT A PART OF SAID LENGTH ENGAGES SAID PIECE OF METAL ALONG SUBSTANTIALLY THE LENGTH OF CUT, SAID MOVING BEING SUCH THAT IN TRAVEL ACROSS AND IN ENGAGEMENT WITH SAID PIECE OF METAL SAID PART OF SAID LENGTH OF WIRE TRAVELS IN A PATH SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID PART OF SAID LENGTH TO PRODUCE A CUT EXTENDING SUBSTANTIALLY IN THE DIRECTION OF SAID MOVING, DELIVERING A MIXTURE OF INDIVIDUAL AND FREE ABRASIVE PARTICLES AND A LIQUID TO SAID PIECE OF METAL AND TO SAID WIRE AT THAT PORTION OF SAID PIECE WHERE SAID WIRE FIRST ENGAGES SAME IN ITS MOVEMENT TO AND ACROSS SAID PIECE AND TO SAID PIECE OF METAL ALONG AT LEAST A PORTION THEREOF WHERE SAID WIRE ENGAGES SAID METAL, DURING SAID MOVING ADVANCING SAID WIRE INTO AND THROUGH SAID PIECE OF METAL AS THE CUTTING THEREOF PROGRESSES, CARRYING OUT SAID DELIVERY OF SAID MIXTURE SUBSTANTIALLY THROUGHOUT SAID ADVANCING OF SAID WIRE INTO AND THROUGH SAID METAL, AND PERFORMING SAID CUTTING WITH A TENSION IN SAID WIRE OF AN ORDER OF MAGNITUDE OF AT LEAST ABOUT 25,000 P.S.I. IN A 1/2" DIAMETER WIRE.
References Cited (Backward Citations)
US589199A
Cited
US1306636A
Cited
US2129969A
Cited
US2793478A
Cited
US2792825A
Cited
US2866448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |