Patent US1143631A successfully refreshed from Google Patents.
US1143631A
Expired / Lapsed
US
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Fluid-measuring device.
Assignee: KELLER MECHANICAL ENGRAVING Co
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Filing: 1913-12-19
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Granted: 1915-06-22
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Expires: 1933-12-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Keller
- 👤 William A Warman
- 👤 Harry L Parr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:57
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/40; G01F1/44; Y; Y10; Y10S; Y10S261/00; Y10S261/57
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) | 1918-06-21 | 1918-12-21 | 1919-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-06-21 | 1922-12-21 | 1923-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-06-21 | 1926-12-21 | 1927-06-22 | $7700.00 | Window Closed / Lapsed |