US2682547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis-glycidyl ethers of chlorohydroquinones and process of preparing them
Assignee: Eastman Kodak Co
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Filing: 1952-10-01
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Granted: 1954-06-29
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Expires: 1972-10-01
Abstract
No abstract record available.
Inventors
- 👤 Milton L Clemens
- 👤 Bramer Harold Von
- 👤 De Walt S Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:19
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07C; C07C49/00; C07C49/04; C07C49/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
THE BIS-GLYCIDYL ETHERS OF CHLOROHYDROQUINONES, HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
9 words
THE BIS-GLYCIDYL ETHERS OF CHLOROHYDROQUINONES, HAVING THE STRUCTURAL FORMULA
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) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |