US3557413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonmechanical closure
Assignee: Individual
•
Filing: 1968-09-23
•
Granted: 1971-01-26
•
Expires: 1988-09-23
Abstract
Abstract THE PRESENT DISCLOSURE DESCRIBES A NON-MECHANICAL CLOSURE CONSISTING OF CONFORMING RIDGED AND GROOVED RESEALABLE LOCKING MEMBERS. THE LOCKING MEMBERS EACH HAVE A PLURALITY OF PARALLEL LOCKING NIPPLES WHICH MAY BE FORMED OF EXTRUDED LOW DENSITY PLASTIC. THE LOCKING NIPPLES MAY BE CONTINUOUS, THOUGH THEY MAY BE INTERRUPTED. THEY ARE ATTACHED BY STITCHING OR ADHESION TO VARIOUS TYPES OF FABRICS, GARMENTS AND OTHER OBJECTS WHICH ARE TO BE FASTENED TOGETHER BY DETACHABLE MEANS.
Inventors
- 👤 William H Engle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:08
CPC Classifications
A; A44; A44B; A44B18/00; A44B18/0046; A44B18/0053; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/38; Y10S24/39; Y10T; Y10T24/00; Y10T24/45; Y10T24/45152
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |