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Patent US2558671A successfully refreshed from Google Patents.
US2558671A
Expired / Lapsed
US
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Valve assembly with spherical shaped valve element having a passage therethrough for collapsible tubes
Assignee: Individual
•
Filing: 1947-07-17
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Granted: 1951-06-26
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Expires: 1967-07-17
Abstract
No abstract record available.
Inventors
- 👤 Henry H Cherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:20
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/30; F; F16; F16K; F16K31/00; F16K31/44; F16K31/58; F16K5/00; F16K5/06; F16K5/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |