US2613082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas manifold and valve for analyzing gas mixtures
Assignee: Individual
•
Filing: 1949-03-15
•
Granted: 1952-10-07
•
Expires: 1969-03-15
Abstract
No abstract record available.
Inventors
- 👤 Lloyd V Guild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/12; F16K7/14; F16K7/16; F16L; F16L41/00; F16L41/02; G; G01; G01N; G01N7/00; G01N7/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1448901A
Cited
US1630741A
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US1668362A
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US2026842A
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US2001581A
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US2147606A
Cited
US2328118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |