Patent US3278325A successfully refreshed from Google Patents.
US3278325A
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Reflectorized marking material and method of making same
Assignee: Prismo Safety Corp
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Filing: 1963-05-28
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Granted: 1966-10-11
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Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel E Wissinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:39
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; C; C03; C03C; C03C17/00; C03C17/06; C03C2217/00; C03C2217/20; C03C2217/25; C03C2217/263; C03C2218/00; C03C2218/10; C03C2218/17; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2996; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
GLASS SPHERES FOR USE IN REFLECTING MARKING COMPRISING FREE FLOWING SMALL GLASS SPHERES ALL-OVER COATED WITH HIGH LUSTER METAL POWDER RETAINED ON THE SURFACE OF SAID GLASS SPHERES BY A WATER SOLUBLE BINDER MATERIAL, THE METAL POWDER PARTICLE SIZE BEING OF THE ORDER OF NOT EXCEEDING 1/10 THE DIAMETER OF THE GLASS SPHERES.
Claim 2
Dependent Claim
53 words
GLASS SPHERES FOR USE IN REFLECTING MARKING COMPRISING FREE FLOWING SMALL GLASS SPHERES ALL-OVER COATED WITH HIGH LUSTER METAL POWDER RETAINED ON THE SURFACE OF SAID GLASS SPHERES BY A WATER SOLUBLE BINDER MATERIAL, THE METAL POWDER PARTICLE SIZE BEING OF THE ORDER OF NOT EXCEEDING 1/10 THE DIAMETER OF THE GLASS SPHERES.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |