US2378698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partial ethers of alkenyl substituted polyhydroxybenzenes
Assignee: Goodrich Corp
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Filing: 1943-05-01
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Granted: 1945-06-19
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Expires: 1963-05-01
Abstract
No abstract record available.
Inventors
- 👤 Carlin F Gibbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:35
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1852
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) | 1948-06-18 | 1948-12-18 | 1949-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-18 | 1952-12-18 | 1953-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-18 | 1956-12-18 | 1957-06-19 | $7700.00 | Window Closed / Lapsed |