Patent US2327430A successfully refreshed from Google Patents.
Patent US3129086A successfully refreshed from Google Patents.
US3129086A
Expired / Lapsed
US
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Apparatus for producing hollow glass particles
Assignee: Standard Oil Co
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Filing: 1959-12-02
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Granted: 1964-04-14
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Expires: 1979-12-02
Abstract
No abstract record available.
Inventors
- 👤 Veatch Franklin
- 👤 Harvey E Alford
- 👤 Richard D Croft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:46
CPC Classifications
C; C04; C04B; C04B18/00; C04B18/02; C04B18/027; C03; C03B; C03B19/00; C03B19/10; C03B19/107; C03B19/1075; C03C; C03C11/00; C03C11/002; C04B20/00; C04B20/02; C04B20/04; C04B20/06; C04B20/066; C08; C08J; C08J9/00; C08J9/32; Y; Y10; Y10S; Y10S106/00; Y10S106/01; Y10S106/02; Y10S264/00; Y10S264/06; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2996
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
APPARATUS FOR PRODUCING SPHERES FROM PARTICLES OF A FUSIBLE MATERIAL, WHICH COMPRISES A CYLINDRICAL STRUCTURE COMPRISING A FURNACE SECTION, A FEED SECTION POSITIONED BELOW SAID FURNACE SECTION, AND A QUENCHING SECTION POSITIONED ABOVE SAID FURNACE SECTION; THE FEED SECTION OF SAID CYLINDRICAL STRUCTURE COMPRISING A SERIES OF PERIPHERALLY ARRANGED PERFORATIONS, AND ADJUSTABLE MEANS FOR SIMULTANEOUSLY VARYING THE EXPOSED AREA OF SAID PERFORATIONS, AND MEANS TO INTRODUCE A FLUID SUSPENSION OF FINELY DIVIDED PARTICLES INTO SAID FEED SECTION; THE FURNACE SECTION OF SAID CYLINDRICAL STRUCTURE COMPRISING A PLURALITY OF BURNERS TO PROVIDE A TEMPERATURE IN SAID FURNACE SECTION AT WHICH SAID PARTICLES FUSE; AND THE QUENCHING SECTION OF SAID CYLINDRICAL STRUCTURE COMPRISING A SERIES OF PERIPHERALLY ARRANGED PERFORATIONS, AND ADJUSTABLE MEANS FOR SIMULTANEOUSLY VARYING THE EXPOSED AREA OF SAID PERFORATIONS.
Claim 2
Dependent Claim
129 words
APPARATUS FOR PRODUCING SPHERES FROM PARTICLES OF A FUSIBLE MATERIAL, WHICH COMPRISES A CYLINDRICAL STRUCTURE COMPRISING A FURNACE SECTION, A FEED SECTION POSITIONED BELOW SAID FURNACE SECTION, AND A QUENCHING SECTION POSITIONED ABOVE SAID FURNACE SECTION; THE FEED SECTION OF SAID CYLINDRICAL STRUCTURE COMPRISING A SERIES OF PERIPHERALLY ARRANGED PERFORATIONS, AND ADJUSTABLE MEANS FOR SIMULTANEOUSLY VARYING THE EXPOSED AREA OF SAID PERFORATIONS, AND MEANS TO INTRODUCE A FLUID SUSPENSION OF FINELY DIVIDED PARTICLES INTO SAID FEED SECTION; THE FURNACE SECTION OF SAID CYLINDRICAL STRUCTURE COMPRISING A PLURALITY OF BURNERS TO PROVIDE A TEMPERATURE IN SAID FURNACE SECTION AT WHICH SAID PARTICLES FUSE; AND THE QUENCHING SECTION OF SAID CYLINDRICAL STRUCTURE COMPRISING A SERIES OF PERIPHERALLY ARRANGED PERFORATIONS, AND ADJUSTABLE MEANS FOR SIMULTANEOUSLY VARYING THE EXPOSED AREA OF SAID PERFORATIONS.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |