US3172331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scarfing apparatus
Assignee: Chase Brass and Copper Co Inc
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Filing: 1963-08-26
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Granted: 1965-03-09
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Vito F Nole
- 👤 Joseph J Pedane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:28
CPC Classifications
B; B23; B23D; B23D1/00; B23D1/20; B23D1/26; Y; Y10; Y10T; Y10T407/00; Y10T407/23; Y10T409/00; Y10T409/50; Y10T409/50246; Y10T409/504756; Y10T409/505084
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
73 words
APPARATUS FOR CONDITIONING THE EDGES OF METAL STRIP, SAID APPARATUS COMPRISING AT LEAST ONE EDGE SCARFING BLADE MOUNTED FOR ENGAGEMENT WITH AN EDGE PORTION OF SAID METAL STRIP, SAID SCARFING BLADE HAVING FORMED THEREIN A SUBSTANTIALLY U-SHAPED CUTTING NOTCH HAVING TAPERED SIDES AND A CURVED BOTTOM, AND MEANS FOR MOVING SAID STRIP PAST SAID SCARFING BLADE WHILE SAID BLADE IS DISPOSED AT A NEGATIVE CUTTING ANGLE RELATIVE TO THE DIRECTION OF STRIP TRAVEL.
Claim 2
Dependent Claim
73 words
APPARATUS FOR CONDITIONING THE EDGES OF METAL STRIP, SAID APPARATUS COMPRISING AT LEAST ONE EDGE SCARFING BLADE MOUNTED FOR ENGAGEMENT WITH AN EDGE PORTION OF SAID METAL STRIP, SAID SCARFING BLADE HAVING FORMED THEREIN A SUBSTANTIALLY U-SHAPED CUTTING NOTCH HAVING TAPERED SIDES AND A CURVED BOTTOM, AND MEANS FOR MOVING SAID STRIP PAST SAID SCARFING BLADE WHILE SAID BLADE IS DISPOSED AT A NEGATIVE CUTTING ANGLE RELATIVE TO THE DIRECTION OF STRIP TRAVEL.
Claim 3
Dependent Claim
47 words
APPARATUS AS SET FORTH IN CLAIM 1, WHEREIN THE SIDES OF THE SCARFING NOTCH IN THE SCARFING BLADE ARE TAPERED AT AN ANGLE OF BETWEEN 3* AND 6* MEASURED WITH RESPECT TO A REFERENCE LINE NORMAL TO THE EDGE OF THE BLADE ONTO WHICH SAID NOTCH OPENS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |