Patent US2950985A successfully refreshed from Google Patents.
US2950985A
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Starch treated free flowing glass beads
Assignee: Flex-O-Lite Manuf Corp
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Filing: 1957-04-11
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Granted: 1960-08-30
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Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 D Adrian Vincent L Duval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:15
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/28; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24397; Y10T428/24421; Y10T428/25; Y10T428/252; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2996
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
A PROCESS FOR IMPARTING FREE-FOLOWING CHARACTERISTICS TO BULK-CONTAINED SUBSTANTIALLY DRY SMALL GLASS BEADS ESSENTIALLY CONTAINING ONLY MOISTURE FROM THE ATMOSPHERE AND RANGING UP TO ABOUT 1150 MICRONS IN DIAMETER DISPENSED WITH PAINT TO PROVED A REFLEX LIGHT REFLECTIVE PAINTED SURFACE WHICH COMPRISES ADDING A SMALL AMOUNT OF STARCH IN THE FORM OF FINELY DIVIDED SOLID PARTICLES TO THE BEADS, SAID STARCH BEING ADDED IN AN AMOUNT TO INCREASE THE FREE-FLOWING CHARACTERISTIC OF THE BEADS, AND ADDED IN THE RATIO OF ABOUT 0.01 TO 0.1% OF THE WEIGHT OF THE BEADS, INTIMATELY MIXING THE BEADS AND THE STARCH TOGETHER TO FORM A LAYER OF STARCH BETWEEN THE INDIVIDUAL GLASS BEADS AND DISPENSING THE BEADS UPON THE TOP SURFACE OF A FRESHLY APPLIED PAINTED SURFACE.
References Cited (Backward Citations)
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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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |