US3473832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball-bearing swivel joint for fluid conduits
Assignee: ERMETO ARMATUREN 4800 BIELEFELD 12 AM METALWERK 9 WEST GERMANY A CORP OF WEST GmbH
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Filing: 1967-08-11
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Granted: 1969-10-21
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Expires: 1987-08-11
Abstract
No abstract record available.
Inventors
- 👤 Hans Kreidel Sr
- 👤 Hans Kreidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:46
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L27/0832
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2407745A
Cited
US2421974A
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US2509118A
Cited
US2498915A
Cited
US2723136A
Cited
US3168250A
Cited
US3339946A
Cited
US3372948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |