Patent US3190779A successfully refreshed from Google Patents.
US3190779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of finishing slide fasteners
Assignee: Opti Holding AG
•
Filing: 1961-07-19
•
Granted: 1965-06-22
•
Expires: 1981-07-19
Abstract
No abstract record available.
Inventors
- 👤 Porepp Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:17
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/60; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T24/00; Y10T24/25; Y10T24/2502; Y10T24/2504; Y10T29/00; Y10T29/49; Y10T29/49782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A METHOD OF FINISHING A SLIDE-FASTENER STRUCTURE INCLUDING TWO SLIDE-FASTENER CHAINS OF MESHED THERMOPLASTIC COUPLING MEMBERS CARRED ON TWO PARALLEL COPLANAR STRINGER TAPES, COMPRISING THE STEPS OF APPLYING TRANSVERSE STRIPS OF THERMOPLASTIC MATERIAL ACROSS SAID TAPES AND MESHED COUPLING MEMBERS AT PREDETERMINED LONGITUDINALLY SPACED-APART LOCATIONS, FUSING SAID STRIPS AND COUPLING MEMBERS AT SAID LOCATIONS INTO A MOLDABLE MASS, SHAPING SAID MOLDABLE MASS AT EACH OF SAID LOCATIONS INTO A RAISED CENTRAL BOTTOM STOP BRIDGING SAID TAPES AND COUPLING MEMBERS AND TWO TRANSVERSELY SEPARATED TOP STOPS LONGITUDINALLY ADJOINING SAID BOTTOM STOP AND EXTENDING ALONG THE CONFRONTING TAPE EDGES, AND CUTTING SAID STRUCTURE INTO SECTIONS AT SAID LOCATIONS BETWEEN SAID TOP AND BOTTOM STOPS, EACH OF SAID SECTIONS CONSISTING OF TWO HALVES INTERCONNECTED BY ITS BOTTOM STOP.
Claim 2
Independent Claim
125 words
A METHOD OF FINISHING A SLIDE-FASTENER STRUCTURE INCLUDING TWO SLIDE-FASTENER CHAINS OF MESHED THERMOPLASTIC COUPLING MEMBERS CARRED ON TWO PARALLEL COPLANAR STRINGER TAPES, COMPRISING THE STEPS OF APPLYING TRANSVERSE STRIPS OF THERMOPLASTIC MATERIAL ACROSS SAID TAPES AND MESHED COUPLING MEMBERS AT PREDETERMINED LONGITUDINALLY SPACED-APART LOCATIONS, FUSING SAID STRIPS AND COUPLING MEMBERS AT SAID LOCATIONS INTO A MOLDABLE MASS, SHAPING SAID MOLDABLE MASS AT EACH OF SAID LOCATIONS INTO A RAISED CENTRAL BOTTOM STOP BRIDGING SAID TAPES AND COUPLING MEMBERS AND TWO TRANSVERSELY SEPARATED TOP STOPS LONGITUDINALLY ADJOINING SAID BOTTOM STOP AND EXTENDING ALONG THE CONFRONTING TAPE EDGES, AND CUTTING SAID STRUCTURE INTO SECTIONS AT SAID LOCATIONS BETWEEN SAID TOP AND BOTTOM STOPS, EACH OF SAID SECTIONS CONSISTING OF TWO HALVES INTERCONNECTED BY ITS BOTTOM STOP.
References Cited (Backward Citations)
US3001904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |