US2092490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy lined vessel
Assignee: AO Smith Corp
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Filing: 1935-12-07
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Granted: 1937-09-07
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Expires: 1955-12-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Zerbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:04
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/02; B65D25/04; B01; B01J; B01J3/00; B01J3/04; B01J3/048; B21; B21D; B21D51/00; B21D51/16; B21D51/24; B65D25/14; B65D7/00; B65D7/12; B65D7/34; B65D7/38; F; F17; F17C; F17C1/00; F17C1/10; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0147; F17C2201/0166; F17C2201/05; F17C2201/056; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0612; F17C2203/0614; F17C2203/0619; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0648; F17C2205/00; F17C2205/03; F17C2205/0388; F17C2205/0394; F17C2205/0397; F17C2209/00; F17C2209/22; F17C2209/221; F17C2209/23; F17C2209/232; 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) | 1940-09-06 | 1941-03-08 | 1941-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-09-06 | 1945-03-08 | 1945-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-09-06 | 1949-03-08 | 1949-09-07 | $7700.00 | Window Closed / Lapsed |