US3183107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass sphere filled plastering compositions
Assignee: Standard Oil Co
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Filing: 1962-02-07
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Granted: 1965-05-11
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Alford
- 👤 Veatch Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:04
CPC Classifications
C; C04; C04B; C04B14/00; C04B14/02; C04B14/04; C04B14/22; C04B14/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PLATSTERING COMPOSITION REQUIRING A RELATIVELY SMALL AMOUNT OF WATER TO BRING IT TO A WORKING VISCOSITY COMPRISING CALCIUM SULFATE HEMIHYDRATE AND, AS A FILLER, FROM 1 TO ABOUT 9% BY WEIGHT OF HOLLOW, DISCRETE SPHERES OF SYNTHETIC, FUSE, WATER-INSOLUBLE ALKALI METAL SILICATE-BASED GLASS, SAID HOLLOW SPHERES HAVING SOLID WALLS OF THE SAME DENSITY THROUGHOUT, AND CLEAR, SMOOTHE SURFACES, DIAMETERS OF FROM 5 TO 5000 MICRONS AND WALL THICKNESSES OF FROM 0.5 TO 10% OF THEIR DIAMETERS, A MASS OF SAID SPHERES HAVING A GAS DENSITY OF 0.1 TO 0.75 GRAM PER CUBIC CENTIMETER.
Claim 2
Dependent Claim
94 words
A PLATSTERING COMPOSITION REQUIRING A RELATIVELY SMALL AMOUNT OF WATER TO BRING IT TO A WORKING VISCOSITY COMPRISING CALCIUM SULFATE HEMIHYDRATE AND, AS A FILLER, FROM 1 TO ABOUT 9% BY WEIGHT OF HOLLOW, DISCRETE SPHERES OF SYNTHETIC, FUSE, WATER-INSOLUBLE ALKALI METAL SILICATE-BASED GLASS, SAID HOLLOW SPHERES HAVING SOLID WALLS OF THE SAME DENSITY THROUGHOUT, AND CLEAR, SMOOTHE SURFACES, DIAMETERS OF FROM 5 TO 5000 MICRONS AND WALL THICKNESSES OF FROM 0.5 TO 10% OF THEIR DIAMETERS, A MASS OF SAID SPHERES HAVING A GAS DENSITY OF 0.1 TO 0.75 GRAM PER CUBIC CENTIMETER.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |