US3009474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tanker installations
Assignee: Sigma
•
Filing: 1958-07-14
•
Granted: 1961-11-21
•
Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Crichton Alexandre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:49
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/122; F16K31/124; F16K31/1245; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6906; Y10T137/7722; Y10T137/7771; Y10T137/7779; Y10T137/8158; Y10T137/8225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1099073A
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US2243364A
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US2338895A
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US2327210A
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US2575574A
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US2748898A
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US2721575A
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FR1115781A
Cited
US2802483A
Cited
US2888029A
Cited
US2949130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |