US1331065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay mechanism for flow-meters and other uses
Assignee: Individual
•
Filing: 1917-12-20
•
Granted: 1920-02-17
•
Expires: 1937-12-20
Abstract
No abstract record available.
Inventors
- 👤 Herz Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/37; G01F1/372
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) | 1923-02-16 | 1923-08-18 | 1924-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-02-16 | 1927-08-18 | 1928-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-02-16 | 1931-08-18 | 1932-02-17 | $7700.00 | Window Closed / Lapsed |