US3392691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dart gauge
Assignee: PENDLETON WOOLEN MILLS
•
Filing: 1964-10-26
•
Granted: 1968-07-16
•
Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Glenn L Pope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:22
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/10; D05B73/00; D05B73/005; D05D; D05D2305/00; D05D2305/02; D05D2305/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A DART GAUGE FOR USE WITH A SEWING MACHINE HAVING MEANS FOR ADVANCING MATERIAL ALONG A PREDETERMINED STITCH PATH COMPRISING, A GUIDE PLATE HAVING A STRAIGHT GUIDE EDGE, AND MEANS FOR MOUNTING THE GUIDE PLATE WITH THE GUIDE EDGE PARALLEL TO THE STITCH PATH, THE GUIDE PLATE BEING UNDERCUT ALONG THE GUIDE EDGE TO PROVIDE A RECESS IN WHICH A FOLD OF MATERIAL MAY BE INSERTED, THE RECESS HAVING A BOTTOM PARALLEL TO THE GUIDE EDGE ALONG WHICH THE FOLD OF THE MATERIAL MAY SLIDE TO MAINTAIN A MATERIAL FOLD ANGLE RELATIVE TO THE STITCH PATH TO PRODUCE A DART OF PREDETERMINED DEPTH.
Claim 2
Dependent Claim
103 words
A DART GAUGE FOR USE WITH A SEWING MACHINE HAVING MEANS FOR ADVANCING MATERIAL ALONG A PREDETERMINED STITCH PATH COMPRISING, A GUIDE PLATE HAVING A STRAIGHT GUIDE EDGE, AND MEANS FOR MOUNTING THE GUIDE PLATE WITH THE GUIDE EDGE PARALLEL TO THE STITCH PATH, THE GUIDE PLATE BEING UNDERCUT ALONG THE GUIDE EDGE TO PROVIDE A RECESS IN WHICH A FOLD OF MATERIAL MAY BE INSERTED, THE RECESS HAVING A BOTTOM PARALLEL TO THE GUIDE EDGE ALONG WHICH THE FOLD OF THE MATERIAL MAY SLIDE TO MAINTAIN A MATERIAL FOLD ANGLE RELATIVE TO THE STITCH PATH TO PRODUCE A DART OF PREDETERMINED DEPTH.
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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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |