Patent US3804744A successfully refreshed from Google Patents.
US3804744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing powdered paraffin wax
Assignee: Individual
•
Filing: 1972-05-26
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Granted: 1974-04-16
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Expires: 1992-05-26
Abstract
Abstract THIS INVENTION RELATES TO A PROCESS FOR PRODUCING POWDERED PARAFFIN WAX, CHARACTERIZED BY COMPRISING THE STEPS OF HEATING THE LIQUID PARAFFIN WAX TO A TEMPERATURE BETWEEN 50*C. AND 70*C., SPRAYING THE LIQUID PARAFFIN WAX INTO A HIGH VELOCITY FLOW OF COLD AIR, MAINTAINING THE MIXTURE UNTIL THE PARAFFIN WAX SOLIDIFIES, AND SEPARATING THE POWDERED PARAFFIN WAX FROM THE AIR, DISCHARGING THE PARAFFIN WAX FOR FURTHER OPERATIONS.
Inventors
- 👤 J Fera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:53
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/40
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) | 1977-04-15 | 1977-10-15 | 1978-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-15 | 1981-10-15 | 1982-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-15 | 1985-10-15 | 1986-04-16 | $7700.00 | Window Closed / Lapsed |