US1825280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for locating points of leakage in conduits
Assignee: Individual
•
Filing: 1929-08-22
•
Granted: 1931-09-29
•
Expires: 1949-08-22
Abstract
No abstract record available.
Inventors
- 👤 George C Oxer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:41
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; F; F16; F16L; F16L2101/00; F16L2101/30; Y; Y10; Y10S; Y10S220/00; Y10S220/18
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) | 1934-09-28 | 1935-03-30 | 1935-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-28 | 1939-03-30 | 1939-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-28 | 1943-03-30 | 1943-09-29 | $7700.00 | Window Closed / Lapsed |