US3197537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for manufacturing slide fasteners
Assignee: Individual
•
Filing: 1961-09-18
•
Granted: 1965-07-27
•
Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Hansen Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:36
CPC Classifications
B; B29; B29D; B29D5/00; B29D5/04; A; A44; A44B; A44B19/00; A44B19/10; A44B19/12; B21; B21D; B21D53/00; B21D53/46; B21D53/50; Y; Y10; Y10S; Y10S264/00; Y10S264/40; Y10S425/00; Y10S425/814; Y10T; Y10T24/00; Y10T24/25; Y10T24/2518; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF MAKING A ROW OF COUPLING LINKS FOR SLIDE FASTENERS, COMPRISING THE STEPS OF FIRST CONTINUOUSLY AND PROGRESSIVELY FORMING A FILAMENT INTO A PLANAR ZIGZAG STRUCTURE WITH THE FLANK PORTIONS THEREOF LYING CLOSE TOGETHER, AND THEN SUCCESSIVELY AND PROGRESSIVELY DISPLACING THE PAIR OF FLANK PORTION WHICH AT ANY TIME FORM THE FRONT MOST PAIR OF SAID PLANAR STRUCTURE OUT OF THE PLANE THEREOF, AND FEEDING THE NEXT FOLLOWING PAIR OF FLANK PORTIONS FORWARD IN THE PLANE OF SAID STRUCTURE TO THE POSITION PREVIOUSLY OCCUPIED BY SAID DISPLACED PAIR OF FLANK PORTIONS.
Claim 2
Independent Claim
93 words
A METHOD OF MAKING A ROW OF COUPLING LINKS FOR SLIDE FASTENERS, COMPRISING THE STEPS OF FIRST CONTINUOUSLY AND PROGRESSIVELY FORMING A FILAMENT INTO A PLANAR ZIGZAG STRUCTURE WITH THE FLANK PORTIONS THEREOF LYING CLOSE TOGETHER, AND THEN SUCCESSIVELY AND PROGRESSIVELY DISPLACING THE PAIR OF FLANK PORTION WHICH AT ANY TIME FORM THE FRONT MOST PAIR OF SAID PLANAR STRUCTURE OUT OF THE PLANE THEREOF, AND FEEDING THE NEXT FOLLOWING PAIR OF FLANK PORTIONS FORWARD IN THE PLANE OF SAID STRUCTURE TO THE POSITION PREVIOUSLY OCCUPIED BY SAID DISPLACED PAIR OF FLANK PORTIONS.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |