US2348383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for controlling movements of valves or other elements
Assignee: Laystall Engineering Co Ltd
•
Filing: 1941-10-09
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Granted: 1944-05-09
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Expires: 1961-10-09
Abstract
No abstract record available.
Inventors
- 👤 Hedgecock Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:53
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K47/00; F16K47/01; F16K47/011; F16K47/0112; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7869; Y10T137/7871; Y10T137/7873; Y10T137/7904; Y10T137/7922; Y10T137/7925; Y10T137/7929
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) | 1947-05-09 | 1947-11-08 | 1948-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-09 | 1951-11-08 | 1952-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-09 | 1955-11-08 | 1956-05-09 | $7700.00 | Window Closed / Lapsed |