US2856272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizer apparatus
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1953-10-08
•
Granted: 1958-10-14
•
Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 Baeyaert Alfred Eugene Marius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:26
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/28; B01J8/00; B01J8/08; B01J8/10; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00063; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00105; B01J2219/00108; B01J2219/00171; B01J2219/00182; B01J2219/00189; B01J2219/18; B01J2219/182; Y; Y10; Y10S; Y10S526/00; Y10S526/918; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1714
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
APPARATUS FOR THE MANUFACTURE FO THERMOPLASTIC COMPRISING A SEALED CYLINDRICAL AUTOCLAVE, MEANS TO MOUNT THE AUTOCLAVE WITH ITS LONGITUDINAL AXIS HORIZONTAL, MEANS TO ROTATE THE AUTOCLAVE ABOUT SAID LONGITUDINAL AXIS, A DISCHARGE TUBE EXTENDING FROMM OUTSIDE TO WITHIN THE AUTOCLAVE, MEANS FORMING A SEAL BETWEEN THE TUBE AND A WALL OF THE AUTOCLAVE, MEANS TO RETAIN THE TUBE FROM ROTATION, THE PORTION OF THE TUBE WITHIN THE AUTOCLAVE HAVING AN ORIFICE OFFSET FROM THE AXIS OF THE LATTER TO A POSITON ABOVE THE LEVEL OF THE THERMOPLASTS IN THE AUTOCLAVE, MEANS TO SEAL THE SAID ORIFICE OF THE TUBE WITHIN THE AUTOCLAVE COMPRISING AN IMPERFORATE SEALING DISK MOUNTED IN AND SEALING THE END OF SAID TUBE, AND FLUID PRESSURE MEANS CONNECTED TO THE TUBE EXTERNALLY OF THE AUTOCLAVE, AND SELECTIVELY OPERABLE TO BREAK SAID DISK.
Claim 2
Dependent Claim
135 words
APPARATUS FOR THE MANUFACTURE FO THERMOPLASTIC COMPRISING A SEALED CYLINDRICAL AUTOCLAVE, MEANS TO MOUNT THE AUTOCLAVE WITH ITS LONGITUDINAL AXIS HORIZONTAL, MEANS TO ROTATE THE AUTOCLAVE ABOUT SAID LONGITUDINAL AXIS, A DISCHARGE TUBE EXTENDING FROMM OUTSIDE TO WITHIN THE AUTOCLAVE, MEANS FORMING A SEAL BETWEEN THE TUBE AND A WALL OF THE AUTOCLAVE, MEANS TO RETAIN THE TUBE FROM ROTATION, THE PORTION OF THE TUBE WITHIN THE AUTOCLAVE HAVING AN ORIFICE OFFSET FROM THE AXIS OF THE LATTER TO A POSITON ABOVE THE LEVEL OF THE THERMOPLASTS IN THE AUTOCLAVE, MEANS TO SEAL THE SAID ORIFICE OF THE TUBE WITHIN THE AUTOCLAVE COMPRISING AN IMPERFORATE SEALING DISK MOUNTED IN AND SEALING THE END OF SAID TUBE, AND FLUID PRESSURE MEANS CONNECTED TO THE TUBE EXTERNALLY OF THE AUTOCLAVE, AND SELECTIVELY OPERABLE TO BREAK SAID DISK.
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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) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |