US3775226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar control film
Assignee: Van Leer Plastics BV
•
Filing: 1971-02-08
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Granted: 1973-11-27
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Expires: 1991-02-08
Abstract
Abstract A solar control film for application to window glass comprises a vapor deposited aluminum coat, which partially transmits light, interposed between a pair of moisture permeable polymeric strata, each of which is self supporting. In one modification, an optional outer coat on one of the polymeric strata is composed of a pressure sensitive adhesive in association with a silicone release sheet. In another modification, an optional outer coat on the other of the polymeric strata is composed of a silicone release agent.
Inventors
- 👤 M Windorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:22
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10165; B32B17/10174; B32B17/10009; B32B17/10018; B32B27/00; B32B27/36; B44; B44F; B44F1/00; B44F1/06; C; C09; C09J; C09J7/00; C09J7/20; C09J7/29; C09J2400/00; C09J2400/10; C09J2400/16; C09J2400/163; C09J2407/00; C09J2421/00; C09J2467/00; C09J2467/006; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975; Y10T428/28; Y10T428/2839; Y10T428/2848; Y10T428/2852; Y10T428/2857; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
The flexible solar controL film sheet of claim 1, wherein said outer adhesive stratum is composed of a mixture of natural and synthetic rubbers, a tackifier and an organic solvent.
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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) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |