Patent US2716535A successfully refreshed from Google Patents.
US2716535A
Expired / Lapsed
US
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Dispensing valve
Assignee: A P CONTROLS Corp
•
Filing: 1952-02-18
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Granted: 1955-08-30
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Expires: 1972-02-18
Abstract
No abstract record available.
Inventors
- 👤 Edward C Ehlke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:24
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US990179A
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US1345643A
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FR501078A
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US1587072A
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US1885647A
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US1891315A
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US2554775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |