Patent US763123A successfully refreshed from Google Patents.
US763123A
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US
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Valve.
Assignee: NELSON VALVE Co
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Filing: 1903-11-05
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Granted: 1904-06-21
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Expires: 1923-11-05
Abstract
No abstract record available.
Inventors
- 👤 Frank Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:07
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0416; F15B13/0417; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/87169
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) | 1907-06-21 | 1907-12-21 | 1908-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-06-21 | 1911-12-21 | 1912-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-06-21 | 1915-12-21 | 1916-06-21 | $7700.00 | Window Closed / Lapsed |