Patent US1589288A successfully refreshed from Google Patents.
US1589288A
Expired / Lapsed
US
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Fluid-pressure-operated valve
Assignee: Refrigerating Specialties Co
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Filing: 1923-11-05
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Granted: 1926-06-15
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Expires: 1943-11-05
Abstract
No abstract record available.
Inventors
- 👤 Charles C Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:18
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1262; F25; F25B; F25B2339/00; F25B2339/04; F25B2339/047; F25B49/00; F25B49/02; F25B49/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-06-14 | 1929-12-14 | 1930-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-06-14 | 1933-12-14 | 1934-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-06-14 | 1937-12-14 | 1938-06-15 | $7700.00 | Window Closed / Lapsed |