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Patent US1827574A successfully refreshed from Google Patents.
US1827574A
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Method and apparatus for gauging the contents of tank cars and the like
Assignee: Phillips Petroleum Co
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Filing: 1928-02-25
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Granted: 1931-10-13
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Expires: 1948-02-25
Abstract
No abstract record available.
Inventors
- 👤 Lucius E Frazier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:32
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/0053; B; B65; B65D; B65D90/00; B65D90/10; B65D90/22; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062; Y10T137/8158
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) | 1934-10-12 | 1935-04-13 | 1935-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-10-12 | 1939-04-13 | 1939-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-10-12 | 1943-04-13 | 1943-10-13 | $7700.00 | Window Closed / Lapsed |