US4043343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forceps
Assignee: INSTITUTE FOR SOCIAL AND SCIENTIFIC DEVELOPMENT 376 EAST 400 SOUTH NO 315 SALT LAKE CITY UTAH 84111 A CORP OF UTAH
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Filing: 1975-08-01
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Granted: 1977-08-23
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Expires: 1995-08-01
Abstract
Abstract In forceps having a pair of handles one of which is hinged for reciprocal movement relative to the other, extension arms between the handles one of the arms being reciprocally slidable along the other arm, upper and lower jaw members one of which is hinged for reciprocal movement relative to the other which reciprocal movement of the jaws and arms is in response to reciprocal handle movement, and the slidable arm may be disengaged for cleaning, the improvement comprises a locking member pivotally mounted for engaging one side of the slidable arm in the locked position.
Inventors
- 👤 Robert W. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:25
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/28; A61B17/29; A61B17/2909; A61B2017/2912; A61B2017/2919; A61B2017/292
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
In forceps having a stationary first handle and first arm integrally secured thereto, a movable second handle pivotally secured on said stationary handle, and having a projecting member thereon received in an open recess along one side of a reciprocally moveable second arm, said second arm slidably mounted on said first arm, whereby pivotal movement of said second handle reciprocates said second arm, and whereby said second arm is disengageable by lateral movement away from said projecting member, the improvement comprising a stop member secured on said stationary handle for engaging the side of said second arm opposite said recess and preventing said lateral movement and disengagement thereof.
Claim 2
Dependent Claim
108 words
In forceps having a stationary first handle and first arm integrally secured thereto, a movable second handle pivotally secured on said stationary handle, and having a projecting member thereon received in an open recess along one side of a reciprocally moveable second arm, said second arm slidably mounted on said first arm, whereby pivotal movement of said second handle reciprocates said second arm, and whereby said second arm is disengageable by lateral movement away from said projecting member, the improvement comprising a stop member secured on said stationary handle for engaging the side of said second arm opposite said recess and preventing said lateral movement and disengagement thereof.
Claim 3
Dependent Claim
30 words
The forceps of claim 1 including a pivotally moveable jaw secured at an end of said second arm and a stationary jaw secured at an end of said first arm.
Claim 4
Dependent Claim
34 words
The forceps of claim 2 wherein one of said jaws has a tooth along a forward surface thereof and the other jaw has a notch for receiving said tooth when the jaws are closed.
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) | 1980-08-22 | 1981-02-21 | 1981-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-22 | 1985-02-21 | 1985-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-22 | 1989-02-21 | 1989-08-23 | $7700.00 | Window Closed / Lapsed |