US2614910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous polymerizing apparatus
Assignee: Union Carbide Corp
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Filing: 1949-06-14
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Granted: 1952-10-21
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Expires: 1969-06-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Ivey Allen
- 👤 Walter R Marshall
- 👤 Gordon E Wightman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:59
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01F; B01F33/00; B01F33/80; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00063; B01J2219/00074; B01J2219/00076; B01J2219/00087; B01J2219/00094; B01J2219/00159
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
POLYMERIZING APPARATUS COMPRISING IN COMBINATION, AN AUTOCLAVE SHELL HAVING A SURFACE OF REVOLUTION PROVIDE WITH AN INLET AND AN OUTLET, AN AGITATOR SHAFT JOURNALED IN SAID SHELL COAXIAL WITH SAID SURFACE OF REVOLUTION, AGITATOR BLADES MOUNTED ON SAID SHAFT TO ROTATE THEREWITH INSIDE SAID SHELL, AN ELONGATED JACKED TUBULAR EXTENSION OF SMALLER DIAMETER THAN SAID SHELL AN SECURED THERETO IN POSITION SURROUNDING SAID OUTLET AND EXTENDING THEREFROM A GREATER LENGTH THAN SAID SHELL, AND AN ENCLOSED KNEADING DEVICE COMPRISING A CASING SECURED TO THE DISCHARGE END OF SAID JACKETED TUBULAR EXTENSION AND HAVING A ROTATING KNEADING ELEMENT JOURNALED IN SAID CASING.
Claim 2
Dependent Claim
101 words
POLYMERIZING APPARATUS COMPRISING IN COMBINATION, AN AUTOCLAVE SHELL HAVING A SURFACE OF REVOLUTION PROVIDE WITH AN INLET AND AN OUTLET, AN AGITATOR SHAFT JOURNALED IN SAID SHELL COAXIAL WITH SAID SURFACE OF REVOLUTION, AGITATOR BLADES MOUNTED ON SAID SHAFT TO ROTATE THEREWITH INSIDE SAID SHELL, AN ELONGATED JACKED TUBULAR EXTENSION OF SMALLER DIAMETER THAN SAID SHELL AN SECURED THERETO IN POSITION SURROUNDING SAID OUTLET AND EXTENDING THEREFROM A GREATER LENGTH THAN SAID SHELL, AND AN ENCLOSED KNEADING DEVICE COMPRISING A CASING SECURED TO THE DISCHARGE END OF SAID JACKETED TUBULAR EXTENSION AND HAVING A ROTATING KNEADING ELEMENT JOURNALED IN SAID CASING.
References Cited (Backward Citations)
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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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |