US4986875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for removing tabs and brackets from windshields
Assignee: Individual
•
Filing: 1989-11-24
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Granted: 1991-01-22
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Expires: 2009-11-24
Abstract
Abstract A tool for removing mirror brackets and tabs therefor from windshields of automobiles and the like. The tool includes an electrical heating apparatus which permits single-handed operation. The tool operates quickly and efficiently without damaging windshields or other glass components.
Inventors
- 👤 Virgil E. Hamlin, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:56
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/84; B29C66/861; A; A61; A61C; A61C7/00; A61C7/02; B25; B25B; B25B27/00; B25B27/0035; B25B27/14; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/76; A61C7/023; B29C66/81; B29C66/818; B29C66/8182; B29C66/81821; Y; Y10; Y10S; Y10S156/00; Y10S156/918; Y10S156/919; Y10S156/927; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/19; Y10T156/1961; Y10T156/1967; Y10T156/1972
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
78 words
An apparatus for detaching items which are glued to a surface comprising, a heating element, a heat transfer element of generally cylindrical configuration connected to said heating element, one end of said heat transfer element comprising a relatively flat surface substantially normal to the length of said heat transfer element, said heat transfer element includes a recess in said relatively flat surface for receiving the items to be detached, and support means connected to support said heating element.
Claim 2
Independent Claim
78 words
An apparatus for detaching items which are glued to a surface comprising, a heating element, a heat transfer element of generally cylindrical configuration connected to said heating element, one end of said heat transfer element comprising a relatively flat surface substantially normal to the length of said heat transfer element, said heat transfer element includes a recess in said relatively flat surface for receiving the items to be detached, and support means connected to support said heating element.
Claim 3
Dependent Claim
16 words
The apparatus recited in claim 1 wherein, said support means is formed of thermally insulating material.
Claim 4
Dependent Claim
16 words
The apparatus recited in claim 1 wherein, said heat transfer element includes a thermally conductive material.
Claim 5
Dependent Claim
18 words
The apparatus recited in claim 4 including, tube means connected between said support means and said heating element.
Claim 6
Dependent Claim
21 words
The apparatus recited in claim 4 including, fins extending from said tube means to conduct heat away from said tube means.
Claim 7
Dependent Claim
24 words
The apparatus recited in claim 4 wherein, said tube has a plurality of apertures passing through the surface thereof to provide a venting means.
Claim 8
Dependent Claim
15 words
The apparatus recited in claim 1 wherein, said heating element includes a thermally conductive core.
Claim 9
Dependent Claim
14 words
The apparatus recited in claim 7 wherein, said heating element includes electrical connections thereto.
Claim 10
Dependent Claim
21 words
The apparatus recited in claim 5 wherein, said fins are annular in configuration and extend radially outwardly from said tube means.
Claim 11
Dependent Claim
27 words
The apparatus recited in claim 1 including spring loaded release means mounted to said support means and adapted to force said apparatus means away from said surface.
Claim 12
Dependent Claim
25 words
The apparatus recited in claim 10 including, trigger means connected to said release means to selectively position said release means relative to said support means.
Claim 13
Dependent Claim
19 words
The apparatus recited in claim 1 wherein, said relatively flat surface is relatively larger than said heat transfer element.
Claim 14
Dependent Claim
14 words
The apparatus recited in claim 8 including, surface means connected to said electrical connections.
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) | 1994-01-21 | 1994-07-23 | 1995-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-21 | 1998-07-23 | 1999-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-21 | 2002-07-23 | 2003-01-22 | $7700.00 | Window Closed / Lapsed |