US2344133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid system control
Assignee: American Machine and Metals Inc
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Filing: 1941-06-09
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Granted: 1944-03-14
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Expires: 1961-06-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Archibald H Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:11
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/05; G; G01; G01N; G01N3/00; G01N3/08; G01N3/10; F15B2211/00; F15B2211/40; F15B2211/405; F15B2211/415; F15B2211/41527; F15B2211/42; F15B2211/421; F15B2211/422; F15B2211/428; F15B2211/455
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) | 1947-03-14 | 1947-09-13 | 1948-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-14 | 1951-09-13 | 1952-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-14 | 1955-09-13 | 1956-03-14 | $7700.00 | Window Closed / Lapsed |