US3247197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrahydro-3:6-diodo-1:2-oxazines
Assignee: BASF Corp
•
Filing: 1963-07-02
•
Granted: 1966-04-19
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Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 Gaeumann Ernst
- 👤 Prelog Vladimir
- 👤 Bickel Hans
- 👤 Vischer Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:09
CPC Classifications
C; C07; C07D; C07D259/00; C07D265/00; C07D265/02; C12; C12N; C12N1/00; C12N1/20; C12N1/205; C12P; C12P13/00; C12P13/02; C12P17/00; C12P17/10; C12R; C12R2001/00; C12R2001/01; C12R2001/465; C12R2001/485; Y; Y10; Y10S; Y10S435/00; Y10S435/803; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/889; Y10S435/897; Y10S435/899; Y10S435/902; Y10S530/00; Y10S530/82; Y10S530/825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
N-(5-R1-AMINO-PENTYL)-TETRAHYDRO-3:6-DIOXO - 1:2OXAZINE OF THE FORMULA
Claim 2
Dependent Claim
6 words
N-(5-R1-AMINO-PENTYL)-TETRAHYDRO-3:6-DIOXO - 1:2OXAZINE 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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |