US4120255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monofilament sewing thread
Assignee: Shakespeare and Company
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Filing: 1977-07-25
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Granted: 1978-10-17
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Expires: 1997-07-25
Abstract
Abstract Disclosed is a novel combination of a sewing machine needle having a rectangular eye and a monofilament sewing thread of a synthetic material having a width to thickness ratio of approximately 3.0:1 to about 4.0:1.
Inventors
- 👤 Philippe Hardy-The McLain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:18
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/253; D02; D02G; D02G3/00; D02G3/44; D02G3/46; D05; D05B; D05B85/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
58 words
In combination with a sewing machine needle having a rectangular eye elongated axially thereof, a synthetic monofilament sewing thread of substantially rectangular cross section having a width to thickness ratio of about 3.0:1 to about 4.0:1, said thread adapted to lie flatwise against the inner end of said eye when passing through said eye during a stitching operation.
Claim 2
Dependent Claim
58 words
In combination with a sewing machine needle having a rectangular eye elongated axially thereof, a synthetic monofilament sewing thread of substantially rectangular cross section having a width to thickness ratio of about 3.0:1 to about 4.0:1, said thread adapted to lie flatwise against the inner end of said eye when passing through said eye during a stitching operation.
Claim 3
Dependent Claim
32 words
In combination with a sewing machine needle having a rectangular eye elongated axially thereof as defined in claim 1, wherein said thread width is substantially equal to the width of said eye.
Claim 4
Dependent Claim
27 words
In combination with a sewing machine needle having a rectangular eye elongated axially thereof as defined in claim 1, in which the monofilament sewing thread is nylon.
Claim 5
Dependent Claim
27 words
In combination with a sewing machine needle having a rectangular eye elongated axially thereof as defined in claim 2, in which the monofilament sewing thread is nylon.
Claim 6
Dependent Claim
53 words
In combination with a sewing machine needle having a rectangular eye elongated axially thereof as defined in claim 1, in which the monofilament sewing thread has a width of from 6.0 to about 17.5 mils (0.015 to 0.445 cm) and a thickness of from 1.8 to about 4.5 mils (0.0045 to 0.0114 cm).
Claim 7
Dependent Claim
53 words
In combination with a sewing machine needle having a rectangular eye elongated axially thereof as defined in claim 2, in which the monofilament sewing thread has a width of from 6.0 to about 17.5 mils (0.015 to 0.445 cm) and a thickness of from 1.8 to about 4.5 mils (0.0045 to 0.0114 cm).
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) | 1981-10-16 | 1982-04-17 | 1982-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-16 | 1986-04-17 | 1986-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-16 | 1990-04-17 | 1990-10-17 | $7700.00 | Window Closed / Lapsed |