Patent US2740705A successfully refreshed from Google Patents.
US2740705A
Expired / Lapsed
US
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Process of manufacturing globular propellent powder
Assignee: Olin Corp
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Filing: 1953-06-12
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Granted: 1956-04-03
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Expires: 1973-06-12
Abstract
No abstract record available.
Inventors
- 👤 Jr John J O'neill
- 👤 Gilbert R Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:43
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0033; C06B21/0066; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/111
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN THE PROCESS OF MANUFACTURING GLOBULAR POWDER GRAINS WHEREIN A LACQUER IS MADE OF PROPELLENT POWDER BASE AND SOLVENT THEREFOR WHICH IS SUBSTANTIALLY IMMISCIBLE WITH WATER, THE LACQUER IS SUBDIVIDED INTO SMALL BODIES, THE SMALL BODIES OF LACQUER ARE SUSPENDED IN AN AQUEOUS MEDIUM AND SUCH SUSPENSION IS MAINTAINED UNTIL THE SMALL BODIES ATTAIN A SUBSTANTIALLY SPHERICAL SHAPE AND ARE THEN HARDENED BY REMOVAL OF SOLVENT FROM THE LACQUER, THE IMPROVEMENT WHICH COMPRISES, PRESIZING THE BODIES BY EXTRUDING THE LACQUER THROUGH AN ORIFICE, CUTTING SUCCESSIVE UNIFROMLY SIZED SECTIONS FROM THE EXTRUDED LACQUER AS IT EMERGES THROUGH THE ORIFICE, AND COLLECTING THE CUT SECTIONS IN THE AQUEOUS MEDIUM.
Claim 2
Dependent Claim
107 words
IN THE PROCESS OF MANUFACTURING GLOBULAR POWDER GRAINS WHEREIN A LACQUER IS MADE OF PROPELLENT POWDER BASE AND SOLVENT THEREFOR WHICH IS SUBSTANTIALLY IMMISCIBLE WITH WATER, THE LACQUER IS SUBDIVIDED INTO SMALL BODIES, THE SMALL BODIES OF LACQUER ARE SUSPENDED IN AN AQUEOUS MEDIUM AND SUCH SUSPENSION IS MAINTAINED UNTIL THE SMALL BODIES ATTAIN A SUBSTANTIALLY SPHERICAL SHAPE AND ARE THEN HARDENED BY REMOVAL OF SOLVENT FROM THE LACQUER, THE IMPROVEMENT WHICH COMPRISES, PRESIZING THE BODIES BY EXTRUDING THE LACQUER THROUGH AN ORIFICE, CUTTING SUCCESSIVE UNIFROMLY SIZED SECTIONS FROM THE EXTRUDED LACQUER AS IT EMERGES THROUGH THE ORIFICE, AND COLLECTING THE CUT SECTIONS IN THE AQUEOUS MEDIUM.
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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |