US3089231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide fastener manufacture
Assignee: Waldes Kohinoor Inc
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Filing: 1960-12-30
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Granted: 1963-05-14
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 John G Soave
- 👤 John D Langwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:21
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/58; B; B29; B29D; B29D5/00; B29D5/02; Y; Y10; Y10S; Y10S83/00; Y10S83/921; Y10T; Y10T24/00; Y10T24/25; Y10T24/2518; Y10T24/2527; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785; Y10T83/00; Y10T83/04; Y10T83/0524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN THE MANUFACTURE OF PLASTIC SLIDE FASTENERS HAVING ELEMENT-FREE TAPE EXTENSION FROM SUCCESSIVE LENGTH PORTIONS OF A CONTINUOUS PLASTIC STRINGER BLANK CONSISTING OF A LONGITUDINAL ROW OF UNIFORMLY SPACED PLASTIC FASTENER ELEMENTS WHICH ARE INTERCONNECTED BY A LONGITUDINALLY EXTENDING, CONTINUOUS PLASTIC RIB AND A CARRYING TAPE THEREFOR, AND WHEREIN SAID FASTENER ELEMENTS ARE SECURED TO AN EDGE OF SAID TAPE BY STITCHES LOOPED OVER THE RIB PORTIONS INTERCONNECTING SAID ELEMENTS, STEP OF REMOVING FASTENER ELEMENTS FROM THE RIB AT LOCATIONS ALONG SAID ROW AND IN NUMBER AS TO FORM SAID STRINGER BLANK INTO A STRINGER STRIP CONSISTING OF A SUCCESSION OF SLIDE FASTENER OR ZIPPER LENGTHS OF FASTENER ELEMENTS SPACED BY THE RIB PORTIONS REMAINING AFTER ELEMENT REMOVAL THEREFROM AS AFORESAID AND WHICH ARE EDAPTED ALSO TO BE SECURED TO AN EDGE OF SAID ELEMENTFREE TAPE EXTENSIONS BY STITCHES LOOPED THEREOVER.
Claim 2
Dependent Claim
141 words
IN THE MANUFACTURE OF PLASTIC SLIDE FASTENERS HAVING ELEMENT-FREE TAPE EXTENSION FROM SUCCESSIVE LENGTH PORTIONS OF A CONTINUOUS PLASTIC STRINGER BLANK CONSISTING OF A LONGITUDINAL ROW OF UNIFORMLY SPACED PLASTIC FASTENER ELEMENTS WHICH ARE INTERCONNECTED BY A LONGITUDINALLY EXTENDING, CONTINUOUS PLASTIC RIB AND A CARRYING TAPE THEREFOR, AND WHEREIN SAID FASTENER ELEMENTS ARE SECURED TO AN EDGE OF SAID TAPE BY STITCHES LOOPED OVER THE RIB PORTIONS INTERCONNECTING SAID ELEMENTS, STEP OF REMOVING FASTENER ELEMENTS FROM THE RIB AT LOCATIONS ALONG SAID ROW AND IN NUMBER AS TO FORM SAID STRINGER BLANK INTO A STRINGER STRIP CONSISTING OF A SUCCESSION OF SLIDE FASTENER OR ZIPPER LENGTHS OF FASTENER ELEMENTS SPACED BY THE RIB PORTIONS REMAINING AFTER ELEMENT REMOVAL THEREFROM AS AFORESAID AND WHICH ARE EDAPTED ALSO TO BE SECURED TO AN EDGE OF SAID ELEMENTFREE TAPE EXTENSIONS BY STITCHES LOOPED THEREOVER.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |