US3461530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of tanks for fluids under pressure
Assignee: Automobiles Citroen SA
•
Filing: 1967-01-04
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Granted: 1969-08-19
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Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Jean Georges Cadiou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:20
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/16; F15B1/165; B; B21; B21D; B21D51/00; B21D51/16; B21D51/24; F16; F16J; F16J12/00; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3151; F15B2201/3156; F15B2201/40; F15B2201/415; F15B2201/4155; F15B2201/43; F15B2201/435; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49394
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |