US3377197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-organometallic compounds, process of preparing said compounds, and processof treating solid material with said compounds
Assignee: Air Products and Chemicals Inc
•
Filing: 1964-07-30
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Granted: 1968-04-09
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Expires: 1984-07-30
Abstract
No abstract record available.
Inventors
- 👤 William A Erby
- 👤 Richard A Flinn
- 👤 Robert A Walde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:27
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069; C07F5/061; C07F5/066; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2806867A
Cited
US2567011A
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US2662835A
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US2802028A
Cited
US2823144A
Cited
US2916392A
Cited
US3088958A
Cited
US3238235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |