US3472532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressive joint coupling for flareless tubes
Assignee: Mueller Co
•
Filing: 1967-06-14
•
Granted: 1969-10-14
•
Expires: 1987-06-14
Abstract
No abstract record available.
Inventors
- 👤 Wilbur R Leopold Jr
- 👤 Carl E Floren
- 👤 Paul R Ammann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:07
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/10; F16L19/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA666072A
Cited
US1334682A
Cited
US2187880A
Cited
US2269695A
Cited
GB551006A
Cited
GB662231A
Cited
US2585453A
Cited
GB779959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |