Patent US3145219A successfully refreshed from Google Patents.
US3145219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delta9, 10-octalins
Assignee: EIDP Inc
•
Filing: 1959-09-30
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Granted: 1964-08-18
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Expires: 1979-09-30
Abstract
No abstract record available.
Inventors
- 👤 Cripps Harry Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:09
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0638; C08G73/0644; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553; C08G69/00; C08G69/02; C08G69/26; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
4 words
$9,10-OCTALINES OF THE FORMULA:
Claim 2
Dependent Claim
4 words
$9,10-OCTALINES OF THE FORMULA:
Claim 3
Dependent Claim
2 words
$9,10-OCTALIN-2,3,6,7-TETRACARBOXYLIC DIANHYDRIDE.
Claim 4
Dependent Claim
2 words
$9,10-OCTALIN-2,3,6,7-TETRACARBOXYLIC DIANHYDRIDE.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |