US3337672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a slide fastener of the continuous wire type
Assignee: Individual
•
Filing: 1965-05-10
•
Granted: 1967-08-22
•
Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Steingrubner Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:18
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/10; B; B29; B29D; B29D5/00; B29D5/06; Y; Y10; Y10S; Y10S425/00; Y10S425/814
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A METHOD OF MAKING A SLIDE FASTENER STRINGER WHICH COMPRISES: (A) WINDING A LENG AXIS, AND A PLURALITY OF AXIALLY JUSTAPOSED TURNS; (B) BENDING SAID HELIX TRANSVERSELY OF SAID AXIS UNTIL SAID AXIS FORMS AN ARC, AND RESPECTIVE FIRST PORTIONS OF SAID TURNS ON ONE SIDE OF SAID AXIS ARE AXIALLY ADJACENT EACH OTHER WHILE CORRESPONDING DIAMETRICALLY OPPOSITE PORTIONS OF SAID TURNS ON THE OTHER SIDE OF SAID AXIS ARE AXIALLY SPACED FROM EACH OTHER; (C) RADIALLY COMPRESSING EACH OF SAID SPACED SECOND PORTIONS UNTIL A HEAD IS FORMED ON THE SAME BY AXIAL SPREADING THEREOF, THE PORTIONS OF EACH TURN INTERMEDIATE SAID FIRST AND SECOND PORTIONS THEREOF CONTITUTING LEGS; (D) INSERTING IN SAID HELIX AFTER THE FORMING OF SAID HEADS A FIRST MANDREL MEMBER ADJACENT ONE OF SAID FIRST TURN PORTIONS, AND A SECOND MANDREL MEMBER ADJACENT THE CORRESPONDING SECOND TURN PORTION, SAID MANDREL MEMBERS BEING SPACED FROM EACH OTHER TRANSVERSELY OF SAID AXIS AND DEFINING A GAP THEREBETWEEN; AND (E) MOVING A PORTION OF ONE OF SAID LEGS INWARD OF SAID GAP TRANSVERSELY OF SAID AXIS UNTIL SAID LEG PORTION IS BENT OVER SAID MANDREL MEMBERS.
Claim 2
Independent Claim
188 words
A METHOD OF MAKING A SLIDE FASTENER STRINGER WHICH COMPRISES: (A) WINDING A LENG AXIS, AND A PLURALITY OF AXIALLY JUSTAPOSED TURNS; (B) BENDING SAID HELIX TRANSVERSELY OF SAID AXIS UNTIL SAID AXIS FORMS AN ARC, AND RESPECTIVE FIRST PORTIONS OF SAID TURNS ON ONE SIDE OF SAID AXIS ARE AXIALLY ADJACENT EACH OTHER WHILE CORRESPONDING DIAMETRICALLY OPPOSITE PORTIONS OF SAID TURNS ON THE OTHER SIDE OF SAID AXIS ARE AXIALLY SPACED FROM EACH OTHER; (C) RADIALLY COMPRESSING EACH OF SAID SPACED SECOND PORTIONS UNTIL A HEAD IS FORMED ON THE SAME BY AXIAL SPREADING THEREOF, THE PORTIONS OF EACH TURN INTERMEDIATE SAID FIRST AND SECOND PORTIONS THEREOF CONTITUTING LEGS; (D) INSERTING IN SAID HELIX AFTER THE FORMING OF SAID HEADS A FIRST MANDREL MEMBER ADJACENT ONE OF SAID FIRST TURN PORTIONS, AND A SECOND MANDREL MEMBER ADJACENT THE CORRESPONDING SECOND TURN PORTION, SAID MANDREL MEMBERS BEING SPACED FROM EACH OTHER TRANSVERSELY OF SAID AXIS AND DEFINING A GAP THEREBETWEEN; AND (E) MOVING A PORTION OF ONE OF SAID LEGS INWARD OF SAID GAP TRANSVERSELY OF SAID AXIS UNTIL SAID LEG PORTION IS BENT OVER SAID MANDREL MEMBERS.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |