US2369057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating acrylic resins
Assignee: EIDP Inc
•
Filing: 1941-09-26
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Granted: 1945-02-06
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Expires: 1961-09-26
Abstract
No abstract record available.
Inventors
- 👤 Richard E Leary
- 👤 Barnard M Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:21
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/08; C08J7/12; C08J7/16; C08J2333/00; C08J2333/04; C08J2333/06; C08J2333/10; C08J2333/12
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) | 1948-02-06 | 1948-08-07 | 1949-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-06 | 1952-08-07 | 1953-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-06 | 1956-08-07 | 1957-02-06 | $7700.00 | Window Closed / Lapsed |