US2850045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe leak sealing device
Assignee: Individual
•
Filing: 1954-01-15
•
Granted: 1958-09-02
•
Expires: 1974-01-15
Abstract
No abstract record available.
Inventors
- 👤 Robert M Soehnlen
- 👤 Alters Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:14
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/168; F16L55/1683; A; A61; A61K; A61K8/00; A61K8/18; A61K8/96; A61K8/97; A61K8/9783; A61K8/9789; A61K8/9794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190113709A
Cited
US802276A
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US850230A
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US1027565A
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US1590580A
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GB468898A
Cited
US2272621A
Cited
US2307148A
Cited
US2492507A
Cited
US2522171A
Cited
US2655946A
Cited
US2660200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |