US2462042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conjointly polymerized unsaturated substances
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1944-01-12
•
Granted: 1949-02-15
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Expires: 1964-01-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Howald
- 👤 Jones John Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:55
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/42; Y; Y10; Y10S; Y10S260/00; Y10S260/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB540168A
Cited
GB540169A
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US2308494A
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US2319798A
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US2323706A
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US2280242A
Cited
US2370565A
Cited
US2370566A
Cited
US2370574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |