Patent US2106494A successfully refreshed from Google Patents.
US2106494A
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Hollow vessel for high pressures
Assignee: Dominion Oxygen Co Ltd
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Filing: 1930-05-31
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Granted: 1938-01-25
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Expires: 1950-05-31
Abstract
No abstract record available.
Inventors
- 👤 Hermann Debor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:50
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/02; F17C1/08; B; B65; B65D; B65D88/00; B65D88/02; F17C2201/00; F17C2201/01; F17C2201/0147; F17C2201/0152; F17C2201/05; F17C2201/056; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0614; F17C2203/0617; F17C2203/0634; F17C2203/0636; F17C2223/00; F17C2223/03; F17C2223/035; F17C2260/00; F17C2260/01; F17C2260/012; F17C2270/00; F17C2270/05; F17C2270/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-01-24 | 1941-07-26 | 1942-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-01-24 | 1945-07-26 | 1946-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-01-24 | 1949-07-26 | 1950-01-25 | $7700.00 | Window Closed / Lapsed |