US2442558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized copolymers of compounds containing a single ch2=c< group and diesters ofethylene alpha beta dicarboxylic acids
Assignee: Pro Phy Lac Tic Brush Co
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Filing: 1944-04-05
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Granted: 1948-06-01
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Expires: 1964-04-05
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:33
CPC Classifications
C; C08; C08L; C08L35/00; C08L35/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2015077A
Cited
US2187817A
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US2301867A
Cited
US2311259A
Cited
US2311260A
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US2384855A
Cited
US2375960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |