Patent US3299102A successfully refreshed from Google Patents.
US3299102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lower 9-alkyl substituted tricyclo-decene-9 carboxylic acid dianhydrides
Assignee: Chevron USA Inc
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Filing: 1965-10-12
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Granted: 1967-01-17
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Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 Jerald S Bradshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:17
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/08; C07C; C07C61/00; C07C61/16; C07C61/28; C07C61/29; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4215
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 5
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 6
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |