US2619113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for relieving high and low pressures
Assignee: Black Sivalls and Bryson Inc
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Filing: 1949-11-07
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Granted: 1952-11-25
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Expires: 1969-11-07
Abstract
No abstract record available.
Inventors
- 👤 James F Myers
- 👤 John R Harclerode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:28
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; F16K15/00; F16K15/02; F16K15/03; F16K15/14; F16K15/144; F16K15/18; F16K15/182; F16K15/1825; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7837; Y10T137/7876; Y10T137/7898; Y10T137/7904; Y10T137/7908; Y10T137/7921; Y10T137/794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |