US3194818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-aryl or aralkyl furfurylamines
Assignee: STWB Inc
•
Filing: 1963-08-14
•
Granted: 1965-07-13
•
Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Robert L Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:30
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/12; C07D307/34; C07D307/38; C07D307/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
N-METHYL-A-(4-FLUOROPHENYL)FURFURYLAMINE.
Claim 2
Dependent Claim
1 words
N-METHYL-A-(4-FLUOROPHENYL)FURFURYLAMINE.
References Cited (Backward Citations)
US2676964A
Cited
DE963424C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |