Patent US3103728A successfully refreshed from Google Patents.
US3103728A
Expired / Lapsed
US
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Technique for assembling slide fasteners
Assignee: Wahl Brothers
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Filing: 1957-11-25
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Granted: 1963-09-17
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Wahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:07
CPC Classifications
B; B29; B29D; B29D5/00; A; A44; A44B; A44B19/00; A44B19/24; A44B19/40; A44B19/406; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T156/1084; Y10T24/00; Y10T24/25; Y10T24/2518; Y10T24/2527; Y10T24/2529; Y10T24/2591; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN THE METHOD OF MANUFACTURING SEPARABLE FASTENERS WHEREIN CONTINUOUS FILAMENT TYPE STRINGER ELEMENTS ARE MARGINALLY BACKED WITH FILAMENTARY STRANDS TO FORM A STRINGER ASSEMBLY HAVING A BACKING, IMPREGNATING THE BACKING OF A CONTINUOUS BAND OF STRINGER ASSEMBLY MATERIAL WITH ADHESIVE MATERIAL, DRYING SAID BACKING TO EFFECT A BONDING ACTION BETWEEN THE STRANDS OF SAID BACKING TO PREVENT UNRAVELLING THEREOF, CUTTING SAID BAND AT SPACED POSITIONS TO FORM INDIVIDUAL ASSEMBLIES MARGINALLY SECURING SAID INDIVIDUAL ASSEMBLIES SUCCESSIVELY TO CONTINUOUS TAPES TO PROVIDE A SERIES OF INTERLINKED STRINGER ASSEMBLIES IN WHICH THE INDIVIDUAL ASSEMBLIES ARE SPACED FROM EACH OTHER, AND CUTTING SAID TAPES IN THE SPACES BETWEEN SUCCESSIVE ASSEMBLIES TO PROVIDE INDIVIDUAL SEPARABLE FASTENERS.
Claim 2
Dependent Claim
111 words
IN THE METHOD OF MANUFACTURING SEPARABLE FASTENERS WHEREIN CONTINUOUS FILAMENT TYPE STRINGER ELEMENTS ARE MARGINALLY BACKED WITH FILAMENTARY STRANDS TO FORM A STRINGER ASSEMBLY HAVING A BACKING, IMPREGNATING THE BACKING OF A CONTINUOUS BAND OF STRINGER ASSEMBLY MATERIAL WITH ADHESIVE MATERIAL, DRYING SAID BACKING TO EFFECT A BONDING ACTION BETWEEN THE STRANDS OF SAID BACKING TO PREVENT UNRAVELLING THEREOF, CUTTING SAID BAND AT SPACED POSITIONS TO FORM INDIVIDUAL ASSEMBLIES MARGINALLY SECURING SAID INDIVIDUAL ASSEMBLIES SUCCESSIVELY TO CONTINUOUS TAPES TO PROVIDE A SERIES OF INTERLINKED STRINGER ASSEMBLIES IN WHICH THE INDIVIDUAL ASSEMBLIES ARE SPACED FROM EACH OTHER, AND CUTTING SAID TAPES IN THE SPACES BETWEEN SUCCESSIVE ASSEMBLIES TO PROVIDE INDIVIDUAL SEPARABLE FASTENERS.
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |