US3171827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflective granules
Assignee: Prismo Safety Corp
•
Filing: 1960-10-31
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Granted: 1965-03-02
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Vries Eduard R De
- 👤 Alistair J Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:21
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128; B; B05; B05D; B05D5/00; B05D5/06; B05D5/061; B05D5/063; C; C08; C08K; C08K7/00; C08K7/16; C08K7/18; C08K7/20; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2996
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF MAKING SMALL REFLECTIVE GRANULES WHICH COMPRISES MIXING A FLUID BINDER COMPOSITION WITH SMALL GLASS SPHERES, SAID GLASS SPHERES HAVING A DIAMETER IN THE RANGE OF 0.5-30 MILS, THE PROPORTION OF SAID GLASS SPHERES TO SAID BINDER COMPOSITION BEING 1-10 PARTS BY WEIGHT OF GLASS SPHERES TO 1 PART OF BINDER COMPOSITION, SAID BINDER COMPOSITION BEING CAPABLE OF ASSUMING A RIGID CRUSHABLE CONDITION AT ROOM TEMPERATURES AND BEING CAPABLE OF FORMING A BOND TO GLASS SPHERES WHICH IS LESS
Claim 2
Independent Claim
81 words
A METHOD OF MAKING SMALL REFLECTIVE GRANULES WHICH COMPRISES MIXING A FLUID BINDER COMPOSITION WITH SMALL GLASS SPHERES, SAID GLASS SPHERES HAVING A DIAMETER IN THE RANGE OF 0.5-30 MILS, THE PROPORTION OF SAID GLASS SPHERES TO SAID BINDER COMPOSITION BEING 1-10 PARTS BY WEIGHT OF GLASS SPHERES TO 1 PART OF BINDER COMPOSITION, SAID BINDER COMPOSITION BEING CAPABLE OF ASSUMING A RIGID CRUSHABLE CONDITION AT ROOM TEMPERATURES AND BEING CAPABLE OF FORMING A BOND TO GLASS SPHERES WHICH IS LESS
References Cited (Backward Citations)
US1099837A
Cited
US2454910A
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US2592882A
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US2713286A
Cited
US2829982A
Cited
US2897733A
Cited
US2806509A
Cited
US3036928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |