US3446579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for continuously producing gaseous aluminum chloride
Assignee: NL Chemicals Inc
•
Filing: 1966-12-23
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Granted: 1969-05-27
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Expires: 1986-12-23
Abstract
No abstract record available.
Inventors
- 👤 Robert D Toomey
- 👤 George Vassil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:36
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1809; B01J8/0015; B01J8/003; C; C01; C01F; C01F7/00; C01F7/48; C01F7/56; C01F7/58; C01G; C01G1/00; C01G1/06; C01G23/00; C01G23/04; C01G23/047; C01G23/07; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/16; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00044; B01J2208/00061; B01J2208/00088; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2208/00256; B01J2208/00389; B01J2208/00407; B01J2208/0053; B01J2208/00548; B01J2208/00743; B01J2208/00752; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |