US2645242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Hydraulic Res & Manufacturing Co Inc
•
Filing: 1952-04-11
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Granted: 1953-07-14
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Expires: 1972-04-11
Abstract
No abstract record available.
Inventors
- 👤 Carl E Monnich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:25
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/065; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/778; Y10T137/7781; Y10T137/7834; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7925; Y10T137/7929
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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |