US1580679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote measuring flow meter
Assignee: Individual
•
Filing: 1922-09-30
•
Granted: 1926-04-13
•
Expires: 1942-09-30
Abstract
No abstract record available.
Inventors
- 👤 Roucka Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:59
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/38; G01F1/386
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) | 1929-04-12 | 1929-10-12 | 1930-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-04-12 | 1933-10-12 | 1934-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-04-12 | 1937-10-12 | 1938-04-13 | $7700.00 | Window Closed / Lapsed |