Patent US2915527A successfully refreshed from Google Patents.
US2915527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxazolidone compounds and means for
Assignee: —
•
Filing: —
•
Granted: 1959-12-01
•
Expires: 1976-12-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:52
CPC Classifications
C; C07; C07D; C07D413/00; C07D413/02; C07D413/06; C07D471/00; C07D471/02; C07D471/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
OXAZOLIDONE COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
OXAZOLIDONE COMPOUNDS HAVING THE 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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |