Patent US3290747A successfully refreshed from Google Patents.
US3290747A
Expired / Lapsed
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Plastic zippers and method of making the same
Assignee: Scovill Inc
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Filing: 1965-02-18
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Granted: 1966-12-13
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 John E Burbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:31
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/58; A44B19/10; A44B19/12; A44B19/24; A44B19/40; B; B26; B26D; B26D1/00; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2518; Y10T24/2523; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A ZIPPER FASTENER STRINGER COMPRISING A LENGTH OF TAPE, A CONTINUOUS PLASTIC FILAMENT ALONG THE EDGE OF SAID TAPE, SAID FILAMENT BEING FORMED INTO A SERIES OF LOOPS, EACH LOOP PROVIDING A FASTENER ELEMENT, A CORD EXTENDING LONGITUDINALLY THROUGH SAID LOOPS AND OVERLYING THE EDGE PORTION OF SAID TAPE, SAID TAPE AND CORD BEING LONGER THAN SAID SERIES OF LOOPS TO PROVIDE AN ELEMENT-FREE EXTENSION OF SAID TAPE AND CORD, AND A CONTINUOUS LINE OF STITCHING WHICH HOLDS TOGETHER SAID SERIES OF LOOPS, CORD AND TAPE, SAID LINE OF STITCHING EXTENDING THROUGH SAID ELEMENT-FREE EXTENSION WHERE IT TIGHTLY BINDS THE CORD DIRECTLY TO THE TAPE.
Claim 2
Dependent Claim
105 words
A ZIPPER FASTENER STRINGER COMPRISING A LENGTH OF TAPE, A CONTINUOUS PLASTIC FILAMENT ALONG THE EDGE OF SAID TAPE, SAID FILAMENT BEING FORMED INTO A SERIES OF LOOPS, EACH LOOP PROVIDING A FASTENER ELEMENT, A CORD EXTENDING LONGITUDINALLY THROUGH SAID LOOPS AND OVERLYING THE EDGE PORTION OF SAID TAPE, SAID TAPE AND CORD BEING LONGER THAN SAID SERIES OF LOOPS TO PROVIDE AN ELEMENT-FREE EXTENSION OF SAID TAPE AND CORD, AND A CONTINUOUS LINE OF STITCHING WHICH HOLDS TOGETHER SAID SERIES OF LOOPS, CORD AND TAPE, SAID LINE OF STITCHING EXTENDING THROUGH SAID ELEMENT-FREE EXTENSION WHERE IT TIGHTLY BINDS THE CORD DIRECTLY TO THE TAPE.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |