US2555527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of scarfing metal slabs
Assignee: Airco Inc
•
Filing: 1947-04-01
•
Granted: 1951-06-05
•
Expires: 1967-04-01
Abstract
No abstract record available.
Inventors
- 👤 James L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:11
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE METHOD OF SCARFING METAL WORKPIECES HAVING A RECTANGULAR CROSS-SECTION AND HAVING TWO RELATIVELY WIDE OPPOSITE FACES EACH OF WHICH IS TOO WIDE TO BE SUCCESSFULLY SCARFED IN A SINGLE PASS AS A TOP HORIZONTAL SURFACE AND HAVING TWO RELATIVELY NARROW OPPOSITE FACES EACH OF WHICH IS NARROW ENOUGH TO BE SUCCESSFULLY SCARFED IN A SINGLE PASS AS A TOP HORIZONTAL SURFACE, WHICH COMPRISES POSITIONING THE WORKPIECE WITH SAID RELATIVELY WIDE SURFACES DISPOSED SUBSTANTIALLY VERTICALLY, ADVANCING THE WORKPIECE WHILE SO PO-
Claim 2
Independent Claim
81 words
THE METHOD OF SCARFING METAL WORKPIECES HAVING A RECTANGULAR CROSS-SECTION AND HAVING TWO RELATIVELY WIDE OPPOSITE FACES EACH OF WHICH IS TOO WIDE TO BE SUCCESSFULLY SCARFED IN A SINGLE PASS AS A TOP HORIZONTAL SURFACE AND HAVING TWO RELATIVELY NARROW OPPOSITE FACES EACH OF WHICH IS NARROW ENOUGH TO BE SUCCESSFULLY SCARFED IN A SINGLE PASS AS A TOP HORIZONTAL SURFACE, WHICH COMPRISES POSITIONING THE WORKPIECE WITH SAID RELATIVELY WIDE SURFACES DISPOSED SUBSTANTIALLY VERTICALLY, ADVANCING THE WORKPIECE WHILE SO PO-
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |