US2393280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure reducer
Assignee: PREST O LITE CO Inc
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Filing: 1944-03-24
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Granted: 1946-01-22
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Expires: 1964-03-24
Abstract
No abstract record available.
Inventors
- 👤 Elwood A Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:44
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/024; F; F16; F16L; F16L55/00; F16L55/02; F16L55/027; F16L55/02709; F16L55/02718; F16L55/02736; F16L55/07; F16L41/00; F16L41/02; F16L41/03; F16L45/00
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) | 1949-01-21 | 1949-07-23 | 1950-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-21 | 1953-07-23 | 1954-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-21 | 1957-07-23 | 1958-01-22 | $7700.00 | Window Closed / Lapsed |