US3133932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of 2-oxazolidinones
Assignee: Deere and Co
•
Filing: 1959-05-25
•
Granted: 1964-05-19
•
Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Robert C Horn
- 👤 Sam M Moffett
- 👤 Louis E Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:09
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D263/18; C07D263/20; C07D263/24; C07D263/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
IN THE METHOD OF PREPARING AN OXAZOLIDINONE OF THE FORMULA:
Claim 2
Dependent Claim
10 words
IN THE METHOD OF PREPARING AN OXAZOLIDINONE OF THE FORMULA:
References Cited (Backward Citations)
US2755286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |