US3484853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary joint union for heavy duty
Assignee: Takeda Seisakusho KK
•
Filing: 1968-05-13
•
Granted: 1969-12-16
•
Expires: 1988-05-13
Abstract
No abstract record available.
Inventors
- 👤 Junjiro Nishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:30
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0812; F16L39/00; F16L39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1934717A
Cited
US2153825A
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US2805086A
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US2791449A
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US2805087A
Cited
US2836439A
Cited
US2873538A
Cited
US2964340A
Cited
US3029094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |