US3336778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge-forming apparatus and method
Assignee: ANAMAG Inc A CORP OF DE
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Filing: 1964-06-08
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Granted: 1967-08-22
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Richard D Follrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:33
CPC Classifications
B; B21; B21D; B21D19/00; B21D19/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF EDGE-FORMING ELECTRICAL CONDUCTOR STRIP COMPRISING THE STEPS OF: (A) BRUSHING THE CORNERS OF SAID STRIP TO DEBURR THE SAME AND BREAK THE SHAPE ANGLE OF SAID CORNERS, (B) ROLLING THE EDGES OF SAID STRIP IN AN APPROXIMATELY 90-DEGREE V-NOTCHED ROLL TO FURTHER SHAPE SAID EDGES, AND (C) ROLLING THE EDGES OF SAID STRIP IN ROLLS WITH CURVILINEAR-BOTTOMED GROOVES TO FULLY FORM SAID EDGES, (A) SAID GROOVES HAVING A DEPTH TO WIDTH RATIO OF AT LEAST 2.5.
Claim 2
Independent Claim
79 words
THE METHOD OF EDGE-FORMING ELECTRICAL CONDUCTOR STRIP COMPRISING THE STEPS OF: (A) BRUSHING THE CORNERS OF SAID STRIP TO DEBURR THE SAME AND BREAK THE SHAPE ANGLE OF SAID CORNERS, (B) ROLLING THE EDGES OF SAID STRIP IN AN APPROXIMATELY 90-DEGREE V-NOTCHED ROLL TO FURTHER SHAPE SAID EDGES, AND (C) ROLLING THE EDGES OF SAID STRIP IN ROLLS WITH CURVILINEAR-BOTTOMED GROOVES TO FULLY FORM SAID EDGES, (A) SAID GROOVES HAVING A DEPTH TO WIDTH RATIO OF AT LEAST 2.5.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |