US3514127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel couplings
Assignee: United Flexible Metallic Tubing Co Ltd
•
Filing: 1967-09-28
•
Granted: 1970-05-26
•
Expires: 1987-09-28
Abstract
No abstract record available.
Inventors
- 👤 Edward Richard Brooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:29
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L27/0828; F16L39/00; F16L39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1567813A
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US2238654A
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US2399823A
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US2494887A
Cited
US2676039A
Cited
US2793058A
Cited
GB858507A
Cited
US3183022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |