US5419220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making a jaw for a biopsy forceps
Assignee: Kimberly Clark Worldwide Inc
•
Filing: 1993-05-28
•
Granted: 1995-05-30
•
Expires: 2013-05-28
Abstract
Abstract A method of making a jaw for a biopsy forceps in which a flat strip is formed with a sharpened edge and a tang with a pointed end. The strip is bent to form an open loop, and the tang is bent to extend upwardly into the loop.
Inventors
- 👤 James E. Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:37
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/06; B; B23; B23P; B23P15/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
71 words
A method for making a jaw for a biopsy forceps, comprising: forming a flat strip with a sharpened edge and a tang; bending said strip to form an open loop at least partially bounded by said sharpened edge; and bending said tang so as at least partially to occlude the open loop, bending said tang additionally to extend upwardly into said open loop, said tang being formed with a pointed end.
Claim 2
Independent Claim
71 words
A method for making a jaw for a biopsy forceps, comprising: forming a flat strip with a sharpened edge and a tang; bending said strip to form an open loop at least partially bounded by said sharpened edge; and bending said tang so as at least partially to occlude the open loop, bending said tang additionally to extend upwardly into said open loop, said tang being formed with a pointed end.
Claim 3
Dependent Claim
16 words
A method according to claim 1 in which said pointed end projects above said sharpened edge.
Claim 4
Dependent Claim
17 words
A method according to claim 1 in which said sharpened edge is formed by an etching process.
References Cited (Backward Citations)
US534570A
Cited
US1515000A
Cited
US3949747A
Cited
US5172700A
Cited
US5097728A
Cited
FR2671965A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-05-29 | 1998-11-28 | 1999-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-05-29 | 2002-11-28 | 2003-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-05-29 | 2006-11-28 | 2007-05-30 | $7700.00 | Window Closed / Lapsed |