Patent US3526419A successfully refreshed from Google Patents.
US3526419A
Expired / Lapsed
US
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Manifold coupling for connecting pipes together
Assignee: Usui Kokusai Sangyo Kaisha Ltd
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Filing: 1967-09-11
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Granted: 1970-09-01
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Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 Nobuyoshi Saguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:44
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/006; F16L55/00; F16L55/02; F16L55/027; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US806156A
Cited
US1803578A
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US1825034A
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US2332354A
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US2399275A
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US3112131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |