US3004036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboximide compounds
Assignee: Shell USA Inc
•
Filing: 1957-12-30
•
Granted: 1961-10-10
•
Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Fan Hsing Yun
- 👤 Harry G Durham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:29
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07C; C07C233/00; C07C233/01; C07C233/02; C07D209/00; C07D209/56; C07D209/58; C07D209/72; C07D209/76
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A POLYHALO COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
6 words
A POLYHALO 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
References Cited (Backward Citations)
US2015045A
Cited
US2593840A
Cited
US2642373A
Cited
US2638431A
Cited
US2698850A
Cited
US2795589A
Cited
US2813877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |