Patent US2755952A successfully refreshed from Google Patents.
US2755952A
Expired / Lapsed
US
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Combination stopper and pourer with valving means
Assignee: Individual
•
Filing: 1954-03-15
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Granted: 1956-07-24
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Expires: 1974-03-15
Abstract
No abstract record available.
Inventors
- 👤 William C Ringen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:06
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/2018; B65D47/2031; B65D47/24; B65D47/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US249043A
Cited
US1733645A
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US1869049A
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US2021259A
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US2601039A
Cited
US2662668A
Cited
US2662669A
Cited
US2672999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |