US4584999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw blade with shallow section
Assignee: Ricana AG
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Filing: 1984-06-29
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Granted: 1986-04-29
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Expires: 2004-06-29
Abstract
Abstract The present invention relates to a saw blade in which the teeth of the blade are not set and in which the saw blade on each side face has a shallow section formed by etching which at the location of the teeth extends over a part of the height of the teeth.
Inventors
- 👤 Richard E. Arnegger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:00
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/006
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
159 words
A method of forming a saw blade with a row of teeth for surgical operations on bones, wherein said teeth are of a height which extends between the cutting edge and the base of the teeth, the saw blade is of plate-shaped form made of etchable material and having two side faces, and is built to perform an oscillating movement, the method comprising the steps of forming said teeth for cutting in both directions of the blade subject to oscillating movement, arranging said row of teeth along a part of the edge of the saw blade with the teeth disposed parallel to the side faces of the blade, i.e. being unset, and providing by etching each of said side faces to form a shallow recessed section extending up to the location of the teeth and extending over at least two-thirds of the height of the teeth, with the shallow sections being in registry with and parallel to each other.
Claim 2
Independent Claim
159 words
A method of forming a saw blade with a row of teeth for surgical operations on bones, wherein said teeth are of a height which extends between the cutting edge and the base of the teeth, the saw blade is of plate-shaped form made of etchable material and having two side faces, and is built to perform an oscillating movement, the method comprising the steps of forming said teeth for cutting in both directions of the blade subject to oscillating movement, arranging said row of teeth along a part of the edge of the saw blade with the teeth disposed parallel to the side faces of the blade, i.e. being unset, and providing by etching each of said side faces to form a shallow recessed section extending up to the location of the teeth and extending over at least two-thirds of the height of the teeth, with the shallow sections being in registry with and parallel to each other.
Claim 3
Dependent Claim
72 words
A saw blade of longitudinal form with a row of teeth for use in surgical operations on bones, wherein the saw blade is of plate-shaped form, having two side faces, and is provided for an oscillating movement around a pivot by a driving means pivotable around said pivot, with the teeth formed for cutting in both directions of the oscillating movement of the blade, as formed by the method of claim 1.
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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) | 1989-04-28 | 1989-10-28 | 1990-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-28 | 1993-10-28 | 1994-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-28 | 1997-10-28 | 1998-04-29 | $7700.00 | Window Closed / Lapsed |