US2212374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid proportioning device
Assignee: Texaco Inc
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Filing: 1937-06-30
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Granted: 1940-08-20
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Expires: 1957-06-30
Abstract
No abstract record available.
Inventors
- 👤 Louis George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:35
CPC Classifications
F; F03; F03B; F03B17/00; F03B17/02; C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; G; G05; G05D; G05D11/00; G05D11/006; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2526; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7481
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) | 1943-08-20 | 1944-02-19 | 1944-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-20 | 1948-02-19 | 1948-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-20 | 1952-02-19 | 1952-08-20 | $7700.00 | Window Closed / Lapsed |