Patent US2588748A successfully refreshed from Google Patents.
US2564569A
Expired / Lapsed
US
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Diaphragm control valve
Assignee: Honeywell Inc
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Filing: 1945-07-13
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Granted: 1951-08-14
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Expires: 1965-07-13
Abstract
No abstract record available.
Inventors
- 👤 Goehring Francis Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:53
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750752A
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US1711443A
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US1934982A
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US796959A
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US1609879A
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US1665443A
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US1990576A
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US2079579A
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US2270037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |