Patent US2209290A successfully refreshed from Google Patents.
US2209290A
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Noncorrosive vessel
Assignee: Standard Oil Co
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Filing: 1937-05-01
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Granted: 1940-07-23
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Expires: 1957-05-01
Abstract
No abstract record available.
Inventors
- 👤 George W Watts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:28
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/14; B01; B01J; B01J19/00; B01J19/0053; B01J19/0073; B01J19/02; B01J2219/00; B01J2219/02; B01J2219/0204; B01J2219/0236; B01J2219/025; B01J2219/0277; B01J2219/0286; Y; Y10; Y10S; Y10S220/00; Y10S220/29
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) | 1943-07-23 | 1944-01-22 | 1944-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-23 | 1948-01-22 | 1948-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-23 | 1952-01-22 | 1952-07-23 | $7700.00 | Window Closed / Lapsed |