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US2592974A
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Suspension liquid gas container
Assignee: Individual
•
Filing: 1949-07-01
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Granted: 1952-04-15
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Expires: 1969-07-01
Abstract
No abstract record available.
Inventors
- 👤 Gerard F Sulfrian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:17
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/086; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2203/014; F17C2203/015; F17C2203/03; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/014; F17C2221/03; F17C2221/031; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/011; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US965455A
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US1262009A
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US1866517A
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US2128297A
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US2263071A
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US2229081A
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US2396459A
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US2269994A
Cited
US2467428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |