Patent US994100A successfully refreshed from Google Patents.
US994100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of breaking up and separating the gaseous liquid and solid constituents of crude petroleum.
Assignee: Individual
•
Filing: 1908-08-24
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Granted: 1911-05-30
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Expires: 1928-08-24
Abstract
No abstract record available.
Inventors
- 👤 Linus W Brown
- 👤 George Francis Brown
- 👤 Daisy Lucretia Brown Condon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:59
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; B01D19/0057; E; E21; E21B; E21B43/00; E21B43/34; E21B43/35
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) | 1914-05-29 | 1914-11-28 | 1915-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-05-29 | 1918-11-28 | 1919-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-05-29 | 1922-11-28 | 1923-05-30 | $7700.00 | Window Closed / Lapsed |