Patent US4045636A successfully refreshed from Google Patents.
Patent US3330692A successfully refreshed from Google Patents.
US3330692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glare reducing of glass
Assignee: Individual
•
Filing: 1964-07-30
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Granted: 1967-07-11
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Expires: 1984-07-30
Abstract
No abstract record available.
Inventors
- 👤 Ehrlich Joseph Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:51
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/28; C03C17/32; C03C17/328; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/2438; Y10T428/24405; Y10T428/25; Y10T428/254
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A TRANSPARENT OBJECT, A SURFACE OF WHICH IS COATED WITH A LIQUID WHICH, AFTER DRYING REDUCES THE GLARE AND REFLECTION OF SAID SURFACE WHILE KEEPING SAID OBJECT SUFFICIENTLY TRANSPARENT TO PERMIT COMPLETE VISIBILITY THROUGH SAID OBJECT OF IMAGES WHICH ARE IN CLOSE CONTACT WITH SAID OBJECT OR ARE LIGHT-PROJECTED ONTO IT, SAID COATING BEING SUFFICIENTLY ADHESIVE TO PERMIT WIPING WITH A DRY CLOTH AND BEING REMOVABLE WITH WATER AND WIPING, SAID LIQUID CONSISTING OF A SOLUTION OF ETHYLENE OXIDE POLYMER OF A MOLECULAR WEIGHT FROM SUBSTANTIALLY 6000 TO SUBSTANTIALLY 80,000 IN A VOLATILE LIQUID MEDIUM WHICH IS A SOLVENT FOR SAID ETHYLENE OXIDE POLYMERS AT ROOM TEMPERATURE AND WHICH ALSO PROMOTES CRYSTALIZATION OF SAID POLYMER, LEAVING AS IT EVAPORATES A VERY THIM LAYER OF SAID POLYMER WEIGHTING AT LEAST .0001 GRAM PER SQUARE INCH, SAID LAYER EXHIBITING SPHERULITE CRYSTALS, FORMING PATTERNS OF POLYGON-LIKE SHAPE MADE OF STILL SMALLER CRYSTAL STRUCTURES, SAID SYPHERULITES HAVING A SIZE FROM SUBSTANTIALLY 3 MICRONS TO SUBSTANTIALLY 40 MICRONS AND HAVING A WELL-DEFINED NUCLEUS-LIKE CENTER AREA WITH A DIAMETER CONSIDERABLY SMALLER THAN THE OUTER DIAMETER OF SAID SPHERULITES, SAID ETHYLENE OXIDE POLYMER BEING PRESENT IN THE LIQUID IN A CONCENTRTION FROM FROM SUBSTANTIALLY 0.1% BY WEIGHT TO SUBSTANTIALLY 10% BY WEIGHT.
Claim 2
Dependent Claim
205 words
A TRANSPARENT OBJECT, A SURFACE OF WHICH IS COATED WITH A LIQUID WHICH, AFTER DRYING REDUCES THE GLARE AND REFLECTION OF SAID SURFACE WHILE KEEPING SAID OBJECT SUFFICIENTLY TRANSPARENT TO PERMIT COMPLETE VISIBILITY THROUGH SAID OBJECT OF IMAGES WHICH ARE IN CLOSE CONTACT WITH SAID OBJECT OR ARE LIGHT-PROJECTED ONTO IT, SAID COATING BEING SUFFICIENTLY ADHESIVE TO PERMIT WIPING WITH A DRY CLOTH AND BEING REMOVABLE WITH WATER AND WIPING, SAID LIQUID CONSISTING OF A SOLUTION OF ETHYLENE OXIDE POLYMER OF A MOLECULAR WEIGHT FROM SUBSTANTIALLY 6000 TO SUBSTANTIALLY 80,000 IN A VOLATILE LIQUID MEDIUM WHICH IS A SOLVENT FOR SAID ETHYLENE OXIDE POLYMERS AT ROOM TEMPERATURE AND WHICH ALSO PROMOTES CRYSTALIZATION OF SAID POLYMER, LEAVING AS IT EVAPORATES A VERY THIM LAYER OF SAID POLYMER WEIGHTING AT LEAST .0001 GRAM PER SQUARE INCH, SAID LAYER EXHIBITING SPHERULITE CRYSTALS, FORMING PATTERNS OF POLYGON-LIKE SHAPE MADE OF STILL SMALLER CRYSTAL STRUCTURES, SAID SYPHERULITES HAVING A SIZE FROM SUBSTANTIALLY 3 MICRONS TO SUBSTANTIALLY 40 MICRONS AND HAVING A WELL-DEFINED NUCLEUS-LIKE CENTER AREA WITH A DIAMETER CONSIDERABLY SMALLER THAN THE OUTER DIAMETER OF SAID SPHERULITES, SAID ETHYLENE OXIDE POLYMER BEING PRESENT IN THE LIQUID IN A CONCENTRTION FROM FROM SUBSTANTIALLY 0.1% BY WEIGHT TO SUBSTANTIALLY 10% BY WEIGHT.
References Cited (Backward Citations)
US2617780A
Cited
US3100750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |