US3972117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable combination stitch picker and seam ripper
Assignee: Individual
•
Filing: 1975-03-13
•
Granted: 1976-08-03
•
Expires: 1995-03-13
Abstract
Abstract Disposable blade device having at one end a pair of spaced blunt, unsharpened projections joined by a concave sharpened area and having at its opposite end a blunt point and a narrow stitch picker with a concaved edge portion between them. This device is made from disposable razor blade stock or the like.
Inventors
- 👤 Walter K. Fogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:52
CPC Classifications
A; A41; A41H; A41H31/00; A41H31/005; B; B26; B26B; B26B27/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
118 words
A disposable combination stitch picker and seam ripper comprising a thin elongated disposable flat strip having dull side edges, a concave alcove formed at one end of the strip, a short projection at one side of the alcove and a longer projection at the other side thereof, both of these projections having rounded non-sharpened outer edges, a sharpened edge in the bottom of the alcove, said edge being concave and forming a cutting member, a relatively elongated pointed stitch picking prong at the opposite end of the strip, a second sharpened concave alcove adjacent thereto, and a forwardly projecting convexly curved dull member extending from the alcove to the edge of the flat strip opposite from the prong.
Claim 2
Dependent Claim
118 words
A disposable combination stitch picker and seam ripper comprising a thin elongated disposable flat strip having dull side edges, a concave alcove formed at one end of the strip, a short projection at one side of the alcove and a longer projection at the other side thereof, both of these projections having rounded non-sharpened outer edges, a sharpened edge in the bottom of the alcove, said edge being concave and forming a cutting member, a relatively elongated pointed stitch picking prong at the opposite end of the strip, a second sharpened concave alcove adjacent thereto, and a forwardly projecting convexly curved dull member extending from the alcove to the edge of the flat strip opposite from the prong.
Claim 3
Dependent Claim
18 words
The combination of claim 1 wherein the projections extend in the same direction as the stitch picking prong.
Claim 4
Dependent Claim
16 words
The combination of claim 1 wherein the projections and stitch picking prong extend in opposite directions.
Claim 5
Dependent Claim
22 words
The combination of claim 1 including a reinforcing member arranged along a side edge of the flat strip and overlapping the latter.
Claim 6
Dependent Claim
35 words
The combination of claim 2 wherein the projections and stitch picking prong are located at one edge of the flat strip, and including a reinforcing handle member at the opposite edge of the flat strip.
References Cited (Backward Citations)
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US934585A
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US936474A
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US1477510A
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US2610399A
Cited
US2764814A
Cited
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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) | 1979-08-03 | 1980-02-02 | 1980-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-03 | 1984-02-02 | 1984-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-03 | 1988-02-02 | 1988-08-03 | $7700.00 | Window Closed / Lapsed |