US3192885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic hemming unit
Assignee: Individual
•
Filing: 1961-08-15
•
Granted: 1965-07-06
•
Expires: 1981-08-15
Abstract
No abstract record available.
Inventors
- 👤 Roderick G Timm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:30
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/02; D05D; D05D2205/00; D05D2205/32; D05D2207/00; D05D2207/02; D05D2207/04; D05D2207/05; D05D2207/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
APPARATUS FOR FORMING A BLINDSTITCH SEAM IN A FOLDED EDGE OF EACH OF A SUCCESSION OF WORK PIECES WHICH COMPRISES A SEWING MACHINE HAVING A THROAT PLATE, AN ELONGATED WORK SUPPORT IN THE PLANE OF SAID THROAT PLATE, MEANS INCORPORATED IN SAID APPARATUS FOR AUTOMATICALLY AND CONTINUOUSLY ADVANCING A SUCCESSION OF WORK PIECES IN SPACED RELATION ALONG THE SURFACE OF SAID WORK SUPPORT AND DELIVERING THE SAME TO AND THROUGH THE STITCH FORMING ZONE OF SAID SEWING MECHINE, MEANS FOR FOLDING ONE OF THE LONGITUDINAL EDGES OF EACH WORK PIECE INTO AN S-SHAPED FOLD AS THE WORK PIECE IS BEING ADVANCED BY SAID ADVANCING MEANS TOWARD THE THROAT PLATE OF SAID
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |