US1150686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump.
Assignee: Societe Anonyme pour lExploitation des Procedes Westinghouse Leblanc SA
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Filing: 1911-03-09
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Granted: 1915-08-17
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Expires: 1931-03-09
Abstract
No abstract record available.
Inventors
- 👤 Maurice Leblanc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:06
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/001; F04D9/002
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) | 1918-08-16 | 1919-02-15 | 1919-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-16 | 1923-02-15 | 1923-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-16 | 1927-02-15 | 1927-08-17 | $7700.00 | Window Closed / Lapsed |