US2848133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessels and methods of making such vessels
Assignee: Individual
•
Filing: 1954-10-28
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Granted: 1958-08-19
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Expires: 1974-10-28
Abstract
No abstract record available.
Inventors
- 👤 Einar M Ramberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:43
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/86; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/602; F; F17; F17C; F17C1/00; F17C1/16; B29C33/00; B29C33/44; B29C33/52; B29L; B29L2031/00; B29L2031/712; B29L2031/7154; B29L2031/7156; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0614; F17C2203/0624; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0305; F17C2209/00; F17C2209/21; F17C2209/2154; F17C2209/2163; F17C2209/23; F17C2209/232; F17C2260/00; F17C2260/05; F17C2260/053; Y; Y10; Y10S; Y10S138/00; Y10S138/02; Y10S60/00; Y10S60/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB122968A
Cited
US1957554A
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US2334710A
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US2594693A
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US2596970A
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US2698991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |