US3595949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making plastic fastener profile
Assignee: Flexigrip Inc
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Filing: 1968-01-16
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Granted: 1971-07-27
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Expires: 1988-01-16
Abstract
Abstract A METHOD FOR MAKING AN IMPROVED PLASTIC FASTENER STRIP OF A TYPE WITH RELEASABLY INTERLOCKING RIB AND GROOVE ELEMENTS AND PARTICULARLY FOR EXTRUDING A STREAMLINED RIB ELEMENT AND UNDERCUTTING GROOVES TO FORM AN OVERHANGING TOOTH.
Inventors
- 👤 Karel J Staller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:17
CPC Classifications
B; B29; B29D; B29D5/00; B29D5/10; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |