US3711950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable handles for shears or the like
Assignee: WISS J AND SONS CO
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Filing: 1970-04-13
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Granted: 1973-01-23
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Expires: 1990-04-13
Abstract
Abstract The shears or similar implements have removable handles, preferably made of molded plastic, on curvilinearly shaped shanks with tangs extending with continuously decreasing thickness past the area where the main finger pressure of the operation of the shears occurs. The method of molding the handles uses retractable cores which have the same curvilinear shape with continuously decreasing section as the tangs of the shears'' shanks.
Inventors
- 👤 J Students
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:33
CPC Classifications
B; B26; B26B; B26B13/00; B26B13/12; B26B13/20
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
98 words
Hand-operated cutting tool comprising a pair of cooperating blades, curvilinear shanks extending from said blades, curvilinear tangs extending from said shanks, said tangs having substantial curvature and extending beyond the area of maximum operating pressure, and separate substantially rigid handles having complementary curvilinear cavities, said cavities having substantially rigid walls within said handles, the curvature of said rigid cavities conforming substantially to the curvature of said tangs, said handles being assembled to said tangs with said tangs fitting in said cavities, the rigidity of said curvilinear cavities inhibiting turning and withdrawal of said handles relative to said tangs.
Claim 2
Dependent Claim
98 words
Hand-operated cutting tool comprising a pair of cooperating blades, curvilinear shanks extending from said blades, curvilinear tangs extending from said shanks, said tangs having substantial curvature and extending beyond the area of maximum operating pressure, and separate substantially rigid handles having complementary curvilinear cavities, said cavities having substantially rigid walls within said handles, the curvature of said rigid cavities conforming substantially to the curvature of said tangs, said handles being assembled to said tangs with said tangs fitting in said cavities, the rigidity of said curvilinear cavities inhibiting turning and withdrawal of said handles relative to said tangs.
Claim 3
Dependent Claim
20 words
Hand-operated cutting tool according to claim 1, said curvilinear tangs having continuously decreasing section dimensions toward the free ends thereof.
Claim 4
Dependent Claim
13 words
Hand-operated cutting tool according to claim 1, said handles being made of plastic.
Claim 5
Dependent Claim
13 words
Hand-operated cutting tool according to claim 1, said handles being made of metal.
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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |