US1391077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-gage
Assignee: Individual
•
Filing: 1918-03-14
•
Granted: 1921-09-20
•
Expires: 1938-03-14
Abstract
No abstract record available.
Inventors
- 👤 Richter Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:25
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; G01L; G01L19/00; G01L19/0007; G01L7/00; G01L7/02; G01L7/08; G01L7/084
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) | 1924-09-19 | 1925-03-21 | 1925-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-09-19 | 1929-03-21 | 1929-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-09-19 | 1933-03-21 | 1933-09-20 | $7700.00 | Window Closed / Lapsed |