Patent US3103515A successfully refreshed from Google Patents.
US3103515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Basic esters of i-benzoxacycloalkane-
Assignee: —
•
Filing: —
•
Granted: 1963-09-10
•
Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:13
CPC Classifications
C; C07; C07D; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/10; C07D311/00; C07D311/02; C07D311/04; C07D311/58; C07D313/00; C07D313/02; C07D313/06; C07D313/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
12 words
A MEMBER OF THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
12 words
A MEMBER OF THE GROUP CONSISTING OF 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
6 words
A COMPOUND OF THE FORMULA 3-(H5C6-),3-(8-(H3C-)NORTROPAN-3-YL-)-DIHYDROBENZOFURAN
Claim 6
Dependent Claim
6 words
A COMPOUND OF THE FORMULA 3-(H5C6-),3-(8-(H3C-)NORTROPAN-3-YL-)-DIHYDROBENZOFURAN
References Cited (Backward Citations)
US2901507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |