US3348766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for closing openings such as pressure openings in gas pumps
Assignee: Siemens Schuckertwerke AG
•
Filing: 1965-03-23
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Granted: 1967-10-24
•
Expires: 1985-03-23
Abstract
No abstract record available.
Inventors
- 👤 Mugele Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:25
CPC Classifications
F; F15; F15D; F15D1/00; F15D1/08; F04; F04C; F04C19/00; F04C19/004; F04F; F04F5/00; F04F5/42; F16; F16J; F16J15/00; F16J15/16; F16J15/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN A PUMP HAVING, DURING OPERATION, A WORKING FLUID MEDIUM AT A LOCATION OF SUBSTANTIALLY MAXIMUM PRESSURE AND HAVING A CONTROL PLATE FORMED WITH AN OPENING, A DEVICE FOR CLOSING THE OPENING COMPRISING GUIDE MEANS EXTENDING TRANSVERSELY TO THE AXIS OF THE OPENING, A FLUID MEDIUM JET DRAWN FROM THE WORKING FLUID MEDIUM AT THE LOCATION OF SUBSTANTIALLY MAXIMUM PRESSURE AND
Claim 2
Dependent Claim
61 words
IN A PUMP HAVING, DURING OPERATION, A WORKING FLUID MEDIUM AT A LOCATION OF SUBSTANTIALLY MAXIMUM PRESSURE AND HAVING A CONTROL PLATE FORMED WITH AN OPENING, A DEVICE FOR CLOSING THE OPENING COMPRISING GUIDE MEANS EXTENDING TRANSVERSELY TO THE AXIS OF THE OPENING, A FLUID MEDIUM JET DRAWN FROM THE WORKING FLUID MEDIUM AT THE LOCATION OF SUBSTANTIALLY MAXIMUM PRESSURE AND
References Cited (Backward Citations)
US3135291A
Cited
US3143856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |