US3568266A
Expired / Lapsed
US
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Fastener elements
Assignee: Supla Ets
•
Filing: 1969-05-20
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Granted: 1971-03-09
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Expires: 1989-05-20
Abstract
Abstract A SLIDE FASTENER ELEMENT IS FORMED FROM A THIN PLASTIC BLOCK. THE COUPLING MEANS WHICH INTERLOCK THE SUCCESSIVE FASTENER ELEMENTS IS CARRIED BY THE FACES OF THE BLOCK. POINTED SECURING MEANS EXTEND FROM A NARROW SIDE OF THE BLOCK. THE POINTED SECURING MEANS MAY BE IN THE FORM OF POINTED PINS OR PRONGS. THE SECURING MEANS ARE FORCED INTO AND PENETRATE THE SUPPORTING TAPE AND EXTEND BE- YOND THE TAPE. THE EXTENDING PORTIONS OF THE SECURING MEANS ARE HEATED AND THEREAFTER, ARE HEADED WHEREBY THE ELEMENT IS POSITIVELY SECURED TO THE TAPE.
Inventors
- 👤 Wilhelm Uhrig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:05
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/02; B; B29; B29D; B29D5/00; B29D5/02; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2539; Y10T24/2557; Y10T24/36; Y10T24/3687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |