US896120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically-operated valve.
Assignee: Felten & Guilleaume-Lahmeyerwerke Actien-Gesellschaft
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Filing: 1906-05-02
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Granted: 1908-08-18
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Expires: 1926-05-02
Abstract
No abstract record available.
Inventors
- 👤 Christian Kraemer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:35
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/044; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87217
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) | 1911-08-18 | 1912-02-17 | 1912-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-08-18 | 1916-02-17 | 1916-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-08-18 | 1920-02-17 | 1920-08-18 | $7700.00 | Window Closed / Lapsed |