US3358631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projectable and retractable stitch tongue equipped, zig-zag sewing machine
Assignee: Union Special Machine Co
•
Filing: 1965-06-21
•
Granted: 1967-12-19
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 James E Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:33
CPC Classifications
D; D05; D05B; D05B61/00; D05B3/00; D05B3/02; D05B57/00; D05B57/02; D05B73/00; D05B73/04; D05B73/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A SEWING MACHINE, THE COMBINATION OF A THROAT PLATE HAVING A NEEDLE HOLE THEREIN, MEANS FOR FEEDING MATERIAL ALONG A FEED LINE GENERALLY CENTERED ON SAID NEEDLE HOLE, A STITCH TONGUE GUIDED FOR MOVEMENT ALONG SAID FEED LINE, MEANS FOR PROJECTING SAID TONGUE INTO AND RETRACTING IT FROM SAID NEEDLE HOLE DURING A SEWING OPERATIONG OF THE MACHINE, AND STITCH FORMING MEANS INCLUDING A NEEDLE AND MEANS FOR RECIPROCATING THE NEEDLE FOR PASSAGE THROUGH THE NEEDLE HOLE AND ALTERNATELY AT OPPOSITE SIDES OF SAID FEED LINE THEREBY TO LAY STITCHES ACROSS THE STITCH TONGUE WHEN SAID TONGUE IS PROJECTED INTO THE NEEDLE HOLE.
Claim 2
Dependent Claim
104 words
IN A SEWING MACHINE, THE COMBINATION OF A THROAT PLATE HAVING A NEEDLE HOLE THEREIN, MEANS FOR FEEDING MATERIAL ALONG A FEED LINE GENERALLY CENTERED ON SAID NEEDLE HOLE, A STITCH TONGUE GUIDED FOR MOVEMENT ALONG SAID FEED LINE, MEANS FOR PROJECTING SAID TONGUE INTO AND RETRACTING IT FROM SAID NEEDLE HOLE DURING A SEWING OPERATIONG OF THE MACHINE, AND STITCH FORMING MEANS INCLUDING A NEEDLE AND MEANS FOR RECIPROCATING THE NEEDLE FOR PASSAGE THROUGH THE NEEDLE HOLE AND ALTERNATELY AT OPPOSITE SIDES OF SAID FEED LINE THEREBY TO LAY STITCHES ACROSS THE STITCH TONGUE WHEN SAID TONGUE IS PROJECTED INTO THE NEEDLE HOLE.
References Cited (Backward Citations)
US1795373A
Cited
US1773046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |