Patent US827998A successfully refreshed from Google Patents.
US827998A
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Pressure-reducing valve.
Assignee: Schutte and Koerting Co
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Filing: 1904-07-07
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Granted: 1906-08-07
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Expires: 1924-07-07
Abstract
No abstract record available.
Inventors
- 👤 Louis Schutte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:47
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/10; F16K17/105; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7765; Y10T137/7767; Y10T137/7781; Y10T137/7782
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) | 1909-08-06 | 1910-02-05 | 1910-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-08-06 | 1914-02-05 | 1914-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-08-06 | 1918-02-05 | 1918-08-07 | $7700.00 | Window Closed / Lapsed |