Patent US3487531A successfully refreshed from Google Patents.
US3487531A
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Method of making slide fastener stringers
Assignee: GSG Fasteners LLC
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Filing: 1967-11-09
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Granted: 1970-01-06
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Expires: 1987-11-09
Abstract
No abstract record available.
Inventors
- 👤 Eric Engel Cuckson
- 👤 Arthur Llewelyn Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:15
CPC Classifications
B; B29; B29D; B29D5/00; B29D5/02; A; A44; A44B; A44B19/00; A44B19/42; A44B19/52; A44B19/54; B21; B21D; B21D53/00; B21D53/46; B21D53/50; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2539; Y10T24/2548; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785; Y10T29/51; Y10T29/5101; Y10T29/53; Y10T29/53291; Y10T29/533
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2335034A
Cited
US2463840A
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US2395869A
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US2744313A
Cited
US2891583A
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US2942338A
Cited
US3039408A
Cited
US3414948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |