US2556583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1944-12-04
•
Granted: 1951-06-12
•
Expires: 1964-12-04
Abstract
No abstract record available.
Inventors
- 👤 Gustav R Hinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:29
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08; F16K3/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US26994A
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US187635A
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US341170A
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US627073A
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GB190621635A
Cited
US1006450A
Cited
US968462A
Cited
US1241765A
Cited
US1622733A
Cited
GB296164A
Cited
US1968391A
Cited
US2055076A
Cited
US2311708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |