US2441705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug cock valve
Assignee: Flowserve Corp
•
Filing: 1944-03-22
•
Granted: 1948-05-18
•
Expires: 1964-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jacobsen Oystein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:17
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/16; F16K5/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567584A
Cited
US941024A
Cited
US2005128A
Cited
US2009358A
Cited
US2048385A
Cited
US2142795A
Cited
DE683662C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |