Patent US2830769A successfully refreshed from Google Patents.
US2830769A
Expired / Lapsed
US
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Method and apparatus for treating a solid material
Assignee: Texaco Development Corp
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Filing: 1953-05-18
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Granted: 1958-04-15
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Lincoln T Work
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:50
CPC Classifications
B; B02; B02C; B02C19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD FOR PULVERIZING PARTICLES OF A SOLID DISINTEGRATABLE MATERIAL COMPRISING PROVIDING A FLAVORABLE MIXTURE OF PARTICLES OF SAID SOLID MATERIAL IN A VAPOR IZABLE LIQUID; PASSING SAID MIXTURE INTO A VAPORIZING CHAMBER; HEATING SAID MIXTURE BY DIRECT CONTACT WITH A HEATING FLAME IN SAID CHAMBER TO VAPORIZE LIQUID AND FROM A DISPERSION OF SOLID PARTICLES IN A FLOWING STREAM OF VAPOR; AND PASSING SAID DISPERSION THROUGH A PULVERIZING ZONE AT A VELOCITY GREATER THAN 25 FEET PER SECOND IN HIGHLY TURBULENT FLOW TO EFFECT REDUCTION IN THE SIZE OF AID PARTICLES.
Claim 2
Independent Claim
92 words
A METHOD FOR PULVERIZING PARTICLES OF A SOLID DISINTEGRATABLE MATERIAL COMPRISING PROVIDING A FLAVORABLE MIXTURE OF PARTICLES OF SAID SOLID MATERIAL IN A VAPOR IZABLE LIQUID; PASSING SAID MIXTURE INTO A VAPORIZING CHAMBER; HEATING SAID MIXTURE BY DIRECT CONTACT WITH A HEATING FLAME IN SAID CHAMBER TO VAPORIZE LIQUID AND FROM A DISPERSION OF SOLID PARTICLES IN A FLOWING STREAM OF VAPOR; AND PASSING SAID DISPERSION THROUGH A PULVERIZING ZONE AT A VELOCITY GREATER THAN 25 FEET PER SECOND IN HIGHLY TURBULENT FLOW TO EFFECT REDUCTION IN THE SIZE OF AID PARTICLES.
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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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |