US3347192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine needle
Assignee: Union Special Machine Co
•
Filing: 1965-05-24
•
Granted: 1967-10-17
•
Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Richard H Lukins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:18
CPC Classifications
D; D05; D05B; D05B85/00; D05B85/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A SEWING MACHINE NEEDLE WHICH COMPRISES, A CONICALLY SHAPED LEADING END PORTION HAVING A SHARP POINT, A SHANK PORTION AT THE BUTT END OF SAID NEEDLE, A BLADE PORTION INTERMEDIATE SAID LEADING END PORTION AND SHANK PORTION, AN EYE AT THE LEADING END OF SAID BLADE PORTION, SAID BLADE PORTION HAVING ELONGATE FLATS ALONG EACH SIDE OF SAID BLADE PORTION EXTENDING FROM A LOCUS ADJACENT THE BASE END OF SAID CONICALLY SHAPED LEADING END PORTION TO SAID SHANK PORTION, SAID FLATS LYING IN PARALLEL PLANES AND BEING PROGRESSIVELY WIDER IN A DIRECTION TOWARD THE SHANK PORTION, AND SAID BLADE PORTION GRADUALLY INCREASING IN CROSS-SECTIONAL AREA FROM ITS LEADING END TOWARD SAID SHANK PORTION, AND A THREAD GROOVE ON AT LEAST ONE SIDE OF SAID NEEDLE WHICH LIES BETWEEN SAID FLATS, SAID THREAD GROOVE EXTENDING FROM SAID EYE TO SAID SHANK PORTION.
Claim 2
Dependent Claim
141 words
A SEWING MACHINE NEEDLE WHICH COMPRISES, A CONICALLY SHAPED LEADING END PORTION HAVING A SHARP POINT, A SHANK PORTION AT THE BUTT END OF SAID NEEDLE, A BLADE PORTION INTERMEDIATE SAID LEADING END PORTION AND SHANK PORTION, AN EYE AT THE LEADING END OF SAID BLADE PORTION, SAID BLADE PORTION HAVING ELONGATE FLATS ALONG EACH SIDE OF SAID BLADE PORTION EXTENDING FROM A LOCUS ADJACENT THE BASE END OF SAID CONICALLY SHAPED LEADING END PORTION TO SAID SHANK PORTION, SAID FLATS LYING IN PARALLEL PLANES AND BEING PROGRESSIVELY WIDER IN A DIRECTION TOWARD THE SHANK PORTION, AND SAID BLADE PORTION GRADUALLY INCREASING IN CROSS-SECTIONAL AREA FROM ITS LEADING END TOWARD SAID SHANK PORTION, AND A THREAD GROOVE ON AT LEAST ONE SIDE OF SAID NEEDLE WHICH LIES BETWEEN SAID FLATS, SAID THREAD GROOVE EXTENDING FROM SAID EYE TO SAID SHANK PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |