US3746769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ether compounds as inhalation anesthetics
Assignee: BOC Inc
•
Filing: 1971-08-23
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Granted: 1973-07-17
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Expires: 1991-08-23
Abstract
Abstract ALIPHATIC ETHER COMPOUNDS OF THE FORMULA CHF2-CH2-O-CF2-CHX2 WHEREIN EACH X IS F OR CL, ARE USEFUL AS INHALATION ANESTHETICS.
Inventors
- 👤 R Terrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/123
Claims Analysis
Total Claims: 0
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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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |