US1142760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating emulsions.
Assignee: RANEY-LAIRD PETROLEUM DEHYDRATING Co
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Filing: 1914-07-22
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Granted: 1915-06-08
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Expires: 1934-07-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E Laird
- 👤 Joseph H Raney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:17
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/02; C02; C02F; C02F1/00; C02F1/46; C02F1/4602
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) | 1918-06-07 | 1918-12-07 | 1919-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-06-07 | 1922-12-07 | 1923-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-06-07 | 1926-12-07 | 1927-06-08 | $7700.00 | Window Closed / Lapsed |