Patent US1098190A successfully refreshed from Google Patents.
US1098190A
Expired / Lapsed
US
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Gas-washer.
Assignee: WESTERN GAS CONSTRUCTION Co
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Filing: 1911-10-04
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Granted: 1914-05-26
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Expires: 1931-10-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:40
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/231; B01F23/23105; B01F23/2312; B01F23/23126; B01F23/231265
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) | 1917-05-25 | 1917-11-24 | 1918-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-05-25 | 1921-11-24 | 1922-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-05-25 | 1925-11-24 | 1926-05-26 | $7700.00 | Window Closed / Lapsed |