US2455652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear halogenated 4, 4'-bis-(alkenyl carbonato) diphenyl alkanes and polymers thereof
Assignee: Goodrich Corp
•
Filing: 1945-02-21
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Granted: 1948-12-07
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Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 James A Bralley
- 👤 Frank B Pope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:50
CPC Classifications
C; C08; C08G; C08G64/00; C08G64/04; C08G64/045; C07; C07C; C07C37/00; C07C37/62; C07C69/00; C07C69/96; C08F; C08F18/00; C08F18/20; C08G63/00; C08G63/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2370571A
Cited
US2385932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |