US3699050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray dried product for feed in the manufacture of hollow glass spheres and process for forming said spray dried product
Assignee: Remedium Group Inc
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Filing: 1967-08-02
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Granted: 1972-10-17
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Expires: 1987-08-02
Abstract
Abstract THE INSTANT APPLICATION RELATES TO A PRODUCT FORMED BY THE SPRAY DRYING OF AN ALKALI BOROSILICATE SOL, WHICH PRODUCT IS SUBSEQUENTLY UTILIZED AS FEED TO A SPHERULIZING FURNACE WHICH PRODUCES HOLLOW GLASS SPHERES OF A DIAMETER IN A RANGE FROM ABOUT 5 TO 5000 MICRONS.
Inventors
- 👤 Craig Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
C; C03; C03C; C03C11/00; C03C11/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |