US3034339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for detecting pipe leaks
Assignee: Individual
•
Filing: 1957-10-17
•
Granted: 1962-05-15
•
Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 Paul A Gawlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:23
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2853; G01M3/2861; F; F16; F16L; F16L2101/00; F16L2101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2731827A
Cited
US1802525A
Cited
US2445876A
Cited
US2681112A
Cited
US2587192A
Cited
US2715444A
Cited
US2690224A
Cited
US2761311A
Cited
US2841007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |