US3428566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of corrosion inhibition with 1-hexyn-3-ol
Assignee: Airco Inc
•
Filing: 1966-07-07
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Granted: 1969-02-18
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Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 Charles O Herman
- 👤 John G Funkhouser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:07
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/068; C23F; C23F11/00; C23F11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3107221A
Cited
US3049496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |