US1348015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leak-detector for vessels
Assignee: Individual
•
Filing: 1918-04-20
•
Granted: 1920-07-27
•
Expires: 1938-04-20
Abstract
No abstract record available.
Inventors
- 👤 Herman H Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:42
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/56; G01F23/60; B; B63; B63B; B63B39/00; B63B39/12; G01F23/58
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) | 1923-07-27 | 1924-01-26 | 1924-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-27 | 1928-01-26 | 1928-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-27 | 1932-01-26 | 1932-07-27 | $7700.00 | Window Closed / Lapsed |