US3286604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking materials
Assignee: Prismo Safety Corp
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Filing: 1962-08-16
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Granted: 1966-11-22
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Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 Vries Eduard R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:01
CPC Classifications
B; B29; B29D; B29D11/00; B29D11/00605; B29D11/00615; E; E01; E01F; E01F9/00; E01F9/50; E01F9/506; E01F9/524; 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
56 words
FREE FLOWING GLASS BEADS HAVING A DIAMETER IN THE RANGE OF 1/2-50 MILS WHICH ARE COATED WITH A COATING OF FINELY DIVIDED ALUMINUM LEAFING POWDER WETTED BY A MEDIUM FAST EVAPORATING LIQUID FREE OF RESINOUS BINDER WHEREBY AFTER THE RELATIVELY VALATILE LIQUID HAS EVAPORATED THE ALUMINUM LEAFING POWDER MAY BE READILY REMOVED FROM THE GLASS BEADS.
Claim 2
Dependent Claim
56 words
FREE FLOWING GLASS BEADS HAVING A DIAMETER IN THE RANGE OF 1/2-50 MILS WHICH ARE COATED WITH A COATING OF FINELY DIVIDED ALUMINUM LEAFING POWDER WETTED BY A MEDIUM FAST EVAPORATING LIQUID FREE OF RESINOUS BINDER WHEREBY AFTER THE RELATIVELY VALATILE LIQUID HAS EVAPORATED THE ALUMINUM LEAFING POWDER MAY BE READILY REMOVED FROM THE GLASS BEADS.
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |