US2731041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
By-pass assembly for service pipes
Assignee: Mueller Co
•
Filing: 1952-06-18
•
Granted: 1956-01-17
•
Expires: 1972-06-18
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mueller
- 👤 Tratzik Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:58
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/165; F16L55/1657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US646804A
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US714671A
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US914743A
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US2233232A
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US2500601A
Cited
US2517626A
Cited
US2562419A
Cited
US2543954A
Cited
US2599489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |