US3553831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of composite metal strips
Assignee: American Brass Co
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Filing: 1968-08-07
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Granted: 1971-01-12
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Expires: 1988-08-07
Abstract
Abstract A METHOD AND APPARATUS FOR THE MANUFACTURE OF METAL STRIPS WHICH HAVE ELONGATED WIRES INTERLOCKED WITHIN THE BODY OF THE METAL STRIP. THIS MANUFACTURE INVOLVES FORMING A PLURALITY OF ELONGATED LATERALLY SPACED GROOVES INTO ONE BROAD FACE OF THE STRIP AND THEN POSITIONING IN EACH GROOVE A WIRE HAVING A SMALLER DIAMETER THAN THE DEPTH OF THE GROOVE. THEREAFTER INTEGRAL STRIP OR FLAP PORTIONS PARTIALLY CUT OR SEVERED FROM THE METAL STRIP ALONG OPPOSITE SIDES OF THE GROOVE ADJACENT THE BROAD FACE OF THE STRIP ARE INFOLDED RELATIVE TO EACH OTHER AND ARE CLINCHED ABOUT THE WIRE TO INTERLOCK THE WIRE TO THE STRIP.
Inventors
- 👤 Earl W Palmer
- 👤 Roger E Laigle
- 👤 Peter J Kabelka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:15
CPC Classifications
B; B21; B21F; B21F15/00; B21F15/10; B21D; B21D47/00; B21K; B21K25/00; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/917; Y10S505/926; Y10S505/928; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49924; Y10T29/51; Y10T29/5198; Y10T29/53; Y10T29/53709
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |