US3420277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-insulated conduit of utility in the transport of fuels over long distances
Assignee: CHIMIQUE ROUTIERE ET D'ENTREPRISE GENERALE SOC
•
Filing: 1965-10-28
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Granted: 1969-01-07
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Expires: 1985-10-28
Abstract
No abstract record available.
Inventors
- 👤 Marcel Ceintrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:00
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/029; F16L59/14; F16L59/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1792855A
Cited
US2405330A
Cited
US2355966A
Cited
US2605202A
Cited
US2596490A
Cited
US2857931A
Cited
US2994327A
Cited
US3080893A
Cited
US2945638A
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US2918394A
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US3177902A
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US3053715A
Cited
US2963045A
Cited
US3005742A
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US3007203A
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US3084088A
Cited
US3106227A
Cited
US3307590A
Cited
US3297056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |