US3410422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust trap and valve for high temperature operation
Assignee: URGEL RAMUAL CARPENTIER
•
Filing: 1966-09-26
•
Granted: 1968-11-12
•
Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 Carpentier Urgel Ramual
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:32
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/20; F16K1/2007; F16K1/2021; F16K1/2028; F16K1/2042; F16K1/2078; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/877; Y10T137/87708; Y10T137/87764
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US214758A
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US985933A
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US1238731A
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US1965698A
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US2626066A
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US2708040A
Cited
US2912126A
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FR1208769A
Cited
GB886191A
Cited
US3183047A
Cited
US3257045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |