US4695255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cooling and lubricating human hard tissue during power tool cutting
Assignee: Individual
•
Filing: 1986-05-27
•
Granted: 1987-09-22
•
Expires: 2006-05-27
Abstract
Abstract A method of cutting and lubricating human hard tissue during power tool cutting wherein the tissue subjected to cutting has directed against it a liquid admixture of water as a cooling agent, alcohol as an anti-infection agent and glycerin as a lubricant.
Inventors
- 👤 Thad J. Overmyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/0061
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
60 words
A method of cooling and lubricating human hard tissue during power tool cutting thereof which comprises (a) admixing about 25% to 70% by volume of water and about 5% to 35% by volume of potable alcohol and about 10% to 45% by volume of glycerin, and (b) directing a flow of the admixture against the hard tissue subjected to cutting.
Claim 2
Independent Claim
60 words
A method of cooling and lubricating human hard tissue during power tool cutting thereof which comprises (a) admixing about 25% to 70% by volume of water and about 5% to 35% by volume of potable alcohol and about 10% to 45% by volume of glycerin, and (b) directing a flow of the admixture against the hard tissue subjected to cutting.
Claim 3
Dependent Claim
28 words
A method according to claim 1 wherein the hard tissue is a tooth, the cutting is high-speed drilling, and the admixture includes a flavoring agent in the water.
Claim 4
Dependent Claim
11 words
A method according to claim 1 wherein the alcohol is ethanol.
Claim 5
Independent Claim
56 words
A method of cooling and lubricating a human tooth during high-speed drilling thereof which comprises (a) admixing substantially 40% by volume of water with a flavoring agent added and substantially 20% by volume of ethanol and substantially 40% by volume of glycerin and (b) directing a flow of the mixture against the tooth subjected to drilling.
Claim 6
Independent Claim
56 words
A method of cooling and lubricating a human tooth during high-speed drilling thereof which comprises (a) admixing substantially 40% by volume of water with a flavoring agent added and substantially 20% by volume of ethanol and substantially 40% by volume of glycerin and (b) directing a flow of the mixture against the tooth subjected to drilling.
References Cited (Backward Citations)
US4193196A
Cited
US4643678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-09-21 | 1991-03-23 | 1991-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-09-21 | 1995-03-23 | 1995-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-09-21 | 1999-03-23 | 1999-09-22 | $7700.00 | Window Closed / Lapsed |