Patent US5519134A successfully refreshed from Google Patents.
Patent US4721636A successfully refreshed from Google Patents.
US4721636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple pane glass unit with electrically conductive transparent film for use as radiation shield
Assignee: Southwall Technologies Inc
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Filing: 1985-12-09
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Granted: 1988-01-26
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Expires: 2005-12-09
Abstract
Abstract A glass unit suitable for use as a window in a building comprising at least a pair of spaced, generally parallel, electrically conductive and transparent films in a space between a pair of glass panes. The films are taut and a conductive lead is electrically connected with the films to couple them to ground.
Inventors
- 👤 Thomas G. Hood
- 👤 Steve M. Vincent
- 👤 Dennis Hollars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:29
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/76; H05B6/766; E; E06; E06B; E06B3/00; E06B3/66; E06B3/67; E06B3/6715; E06B5/00; E06B5/10; E06B5/18; H05K; H05K9/00; H05K9/0001; H05K9/0005; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10S428/922
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
52 words
A glass unit comprising: a pair of glass panes, a pair of transparent, electrically conductive films having outer peripheral margins; means coupled with said films for mounting the films in spaced relationship adjacent to and spaced from respective panes; and means coupled with the films for electrically connecting the films to ground.
Claim 2
Dependent Claim
52 words
A glass unit comprising: a pair of glass panes, a pair of transparent, electrically conductive films having outer peripheral margins; means coupled with said films for mounting the films in spaced relationship adjacent to and spaced from respective panes; and means coupled with the films for electrically connecting the films to ground.
Claim 3
Dependent Claim
17 words
A glass unit as set forth in claim 1, wherein the films are in respective, parallel planes.
Claim 4
Dependent Claim
21 words
A glass unit as set forth in claim 2, wherein the films are taut and are parallel with the glass pane.
Claim 5
Dependent Claim
32 words
A glass unit as set forth in claim 1, wherein is included spacer means for coupling the outer peripheral margins of the films with the outer peripheral margins of the glass pane.
Claim 6
Dependent Claim
52 words
A glass unit comprising: a pair of spaced glass panes; a pair of spaced transparent, electrically conductive films; spacer means coupled with said films for mounting the films in the space between the glass panes in a taut condition; and means coupled with the films for electrically connecting the films to ground.
Claim 7
Dependent Claim
52 words
A glass unit comprising: a pair of spaced glass panes; a pair of spaced transparent, electrically conductive films; spacer means coupled with said films for mounting the films in the space between the glass panes in a taut condition; and means coupled with the films for electrically connecting the films to ground.
Claim 8
Dependent Claim
20 words
A glass unit as set forth in claim 5, wherein the spacer means includes a number of tubular, metallic spacers.
Claim 9
Dependent Claim
45 words
A glass unit as set forth in claim 5, wherein the spacer means includes a number of spacers, each spacer having a pair of opposed, flat sides, one of said sides of each spacer being adjacent to the outer peripheral margin of a respective film.
Claim 10
Dependent Claim
43 words
A glass unit as set forth in claim 7, wherein said spacers include a pair of side spacers and a central spacer between the side spacers, the outer peripheral margin of each film being between a respective side spacer and the central spacer.
Claim 11
Dependent Claim
23 words
A glass unit as set forth in claim 8, wherein is indicated an electrically conductive tape between each film and the central spacer.
Claim 12
Dependent Claim
39 words
A glass unit as set forth in claim 8, wherein said connecting means includes a single electrical conductor between one of the films and the central spacer, there being means electrically coupling the other film and the electrical conductor.
Claim 13
Dependent Claim
16 words
A glass unit as set forth in claim 10, wherein said central spacer is electrically conductive.
Claim 14
Dependent Claim
18 words
A glass unit as set forth in claim 10, wherein said electrical conductor comprises a wire cloth segment.
Claim 15
Dependent Claim
34 words
A glass unit as set forth in claim 8, wherein said connecting means includes a pair of spaced electrical conductors, each conductor having an end portion between a respective film and the central spacer.
Claim 16
Dependent Claim
18 words
A glass unit as set forth in claim 13, wherein each electrical conductor includes a wire cloth segment.
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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) | 1991-01-25 | 1991-07-27 | 1992-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-25 | 1995-07-27 | 1996-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-25 | 1999-07-27 | 2000-01-26 | $7700.00 | Window Closed / Lapsed |