US3453333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorinated ethers
Assignee: Honeywell International Inc
•
Filing: 1965-10-01
•
Granted: 1969-07-01
•
Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Morton H Litt
- 👤 Francis W Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:20
CPC Classifications
C; C07; C07C; C07C53/00; C07C53/38; C07C53/46; C07C53/50; C07C29/00; C07C29/68; C07C31/00; C07C31/34; C07C31/40; C07C51/00; C07C51/15; C07C51/58; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 0
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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) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |