US3070345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe line valve
Assignee: MAN AG
•
Filing: 1961-08-11
•
Granted: 1962-12-25
•
Expires: 1981-08-11
Abstract
No abstract record available.
Inventors
- 👤 Knecht Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/035; F16K15/036; F16K15/038; F16K1/00; F16K1/16; F16K1/18; F16K1/22; F16K1/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1470425A
Cited
US1105208A
Cited
US1872213A
Cited
US1998886A
Cited
US2412918A
Cited
US3026901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |