US3489311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tanks for storage of liquefied gas
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1967-05-25
•
Granted: 1970-01-13
•
Expires: 1987-05-25
Abstract
No abstract record available.
Inventors
- 👤 Keith D Folkerts
- 👤 Daniel Burgoa
- 👤 Jaime Torroja
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:09
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/12; F17C13/126; F17C2201/00; F17C2201/01; F17C2201/0147; F17C2201/0157; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0329; F17C2203/0358; F17C2203/06; F17C2203/0634; F17C2203/0658; F17C2203/0663; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2983401A
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US3039418A
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US3115982A
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US3106307A
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US3225955A
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US3261087A
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US3272373A
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US3224624A
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GB1005500A
Cited
US3339780A
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US3341050A
Cited
US3341049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |