US2851564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relief valve
Assignee: US Industries Inc
•
Filing: 1955-05-09
•
Granted: 1958-09-09
•
Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Zimmerman Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:32
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/10; F16K17/105; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7766; Y10T137/7781; Y10T137/7793; Y10T137/7794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US231214A
Cited
US417329A
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US2564133A
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US2734106A
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US2082325A
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US2261364A
Cited
US2339087A
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US2388820A
Cited
US2479359A
Cited
US2639103A
Cited
US2731033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |