Patent US1156660A successfully refreshed from Google Patents.
US1156660A
Expired / Lapsed
US
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Method and apparatus for measuring the flow of fluids.
Assignee: General Electric Co
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Filing: 1914-04-22
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Granted: 1915-10-12
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Expires: 1934-04-22
Abstract
No abstract record available.
Inventors
- 👤 Ernst J Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:42
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/68; G01F1/696; G01F1/698
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) | 1918-10-11 | 1919-04-12 | 1919-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-10-11 | 1923-04-12 | 1923-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-10-11 | 1927-04-12 | 1927-10-12 | $7700.00 | Window Closed / Lapsed |