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Patent US3744883A successfully refreshed from Google Patents.
US3744883A
Expired / Lapsed
US
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Magnifying attachment for tweezers
Assignee: Individual
•
Filing: 1971-10-19
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Granted: 1973-07-10
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Expires: 1991-10-19
Abstract
Abstract Tweezers having a head from which the tweezers'' arms extend. The head defines an opening and provides a support for a magnifying lens covering said opening, and which enables the user to view the object or part, to be gripped by the jaws of the tweezers'' arms, magnified or enlarged.
Inventors
- 👤 W Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:41
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/30; A61B17/50; A61B90/00; A61B90/36; A61B90/361; A61B2090/3616
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
105 words
Tweezers comprising a ring-shaped head, a pair of resilient arms secured directly to substantially diametrically opposite portions of the head and extending in the same direction and in an axial direction from said head and disposed in spaced apart relation to one another, said arms having opposite free ends defining opposed jaws normally disposed in spaced apart relation to one another, said head having an opening disposed in alignment with the space between said jaws, and a magnifying lens covering said opening and supported by the head for magnifying an object to be gripped by the jaws when viewed by the user through said lens.
Claim 2
Dependent Claim
105 words
Tweezers comprising a ring-shaped head, a pair of resilient arms secured directly to substantially diametrically opposite portions of the head and extending in the same direction and in an axial direction from said head and disposed in spaced apart relation to one another, said arms having opposite free ends defining opposed jaws normally disposed in spaced apart relation to one another, said head having an opening disposed in alignment with the space between said jaws, and a magnifying lens covering said opening and supported by the head for magnifying an object to be gripped by the jaws when viewed by the user through said lens.
Claim 3
Dependent Claim
28 words
Tweezers as in claim 1, said head including an outer flange and an inwardly extending bottom flange, a marginal portion of said lens resting on said bottom flange.
Claim 4
Dependent Claim
54 words
Tweezers as in claim 2, a tubular member constituting a part of said head and sized to fit into said outer flange, a second lens supported by said tubular member, and means for adjusting said tubular member longitudinally of the outer flange for varying the spacing between said magnifying lenses for focusing the magnifier.
Claim 5
Dependent Claim
18 words
Tweezers as in claim 3, said means comprising a threaded connection between the outer flange and tubular member.
References Cited (Backward Citations)
US467630A
Cited
US2234707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |