US2467769A
Expired / Lapsed
US
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Removal of volatile substances from aqueous dispersions of elastomeric materials
Assignee: EIDP Inc
•
Filing: 1946-06-22
•
Granted: 1949-04-19
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Expires: 1966-06-22
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Morrow
- 👤 James L Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0068; C; C08; C08C; C08C1/00; C08C1/02; C08C1/04; C08F; C08F6/00; C08F6/14; C08F6/16; Y; Y10; Y10S; Y10S159/00; Y10S159/04; Y10S159/10; Y10S159/15; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/937
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US264208A
Cited
US1835063A
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US2406581A
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US2224925A
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US2379268A
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US2433060A
Cited
US2362052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |