US2362864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve for hydraulic presses
Assignee: Individual
•
Filing: 1942-03-30
•
Granted: 1944-11-14
•
Expires: 1962-03-30
Abstract
No abstract record available.
Inventors
- 👤 Towler John Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:24
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; B; B30; B30B; B30B15/00; B30B15/16; B30B15/18; B30B15/186; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7841; Y10T137/7847; Y10T137/7849; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861; Y10T137/87869
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) | 1947-11-14 | 1948-05-15 | 1948-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-14 | 1952-05-15 | 1952-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-14 | 1956-05-15 | 1956-11-14 | $7700.00 | Window Closed / Lapsed |