US1147832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of aluminum chlorid.
Assignee: VIRGINIA LABORATORY Co
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Filing: 1913-11-26
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Granted: 1915-07-27
•
Expires: 1933-11-26
Abstract
No abstract record available.
Inventors
- 👤 Franz Von Kuegelgen
- 👤 George O Seward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:32
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/48; C01F7/56; C01F7/58; C01F7/60
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) | 1918-07-26 | 1919-01-25 | 1919-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-26 | 1923-01-25 | 1923-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-26 | 1927-01-25 | 1927-07-27 | $7700.00 | Window Closed / Lapsed |