US2268340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure control device
Assignee: Individual
•
Filing: 1940-10-18
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Granted: 1941-12-30
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Expires: 1960-10-18
Abstract
No abstract record available.
Inventors
- 👤 Evarts G Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:49
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/25; F15B2211/60; F15B2211/63; F15B2211/6303; F15B2211/6306; F15B2211/6313; F15B2211/665; F15B2211/6651; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7052; F15B2211/76
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) | 1944-12-29 | 1945-06-30 | 1945-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-29 | 1949-06-30 | 1949-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-29 | 1953-06-30 | 1953-12-30 | $7700.00 | Window Closed / Lapsed |