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Patent US4122788A successfully refreshed from Google Patents.
US4122788A
Expired / Lapsed
US
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Sewing machine needle
Assignee: Timken US LLC
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Filing: 1977-10-03
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Granted: 1978-10-31
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Expires: 1997-10-03
Abstract
Abstract A sewing machine needle with special construction in the locality of the eye of the needle. The construction is such that the needle may be used in needle operations where there is very little space available between the needle and the other sewing machine elements.
Inventors
- 👤 James P. Hickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:35
CPC Classifications
D; D05; D05B; D05B85/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
122 words
In a sewing machine needle having a leading end, a blade, and a shank for fitting the needle into a sewing machine needle holder, said needle having an eye located in the area of the front of the blade and the back of the leading end and extending from the top to the bottom of the needle: the top of one side portion of the needle formed by the eye extends further from a horizontal plane through the axis of the needle than the top of the other side portion, and the bottom of said other side portion extends further from said horizontal plane than the bottom of said one side portion, and the side portions convergingly taper toward the needle tip.
Claim 2
Dependent Claim
122 words
In a sewing machine needle having a leading end, a blade, and a shank for fitting the needle into a sewing machine needle holder, said needle having an eye located in the area of the front of the blade and the back of the leading end and extending from the top to the bottom of the needle: the top of one side portion of the needle formed by the eye extends further from a horizontal plane through the axis of the needle than the top of the other side portion, and the bottom of said other side portion extends further from said horizontal plane than the bottom of said one side portion, and the side portions convergingly taper toward the needle tip.
Claim 3
Dependent Claim
67 words
A sewing machine needle in accordance with claim 1 wherein: the tops of the side portions are flat and lie along a plane extending at an acute angle to a horizontal plane, and the bottoms of the side portions are flat and lie along a plane extending at an acute angle to a horizontal plane, the opening directions of said two acute angles being in opposite directions.
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) | 1981-10-30 | 1982-05-01 | 1982-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-30 | 1986-05-01 | 1986-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-30 | 1990-05-01 | 1990-10-31 | $7700.00 | Window Closed / Lapsed |