Patent US2574990A successfully refreshed from Google Patents.
US2574990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectractable closure for collapsible tube, having means to prevent its accidental removal therefrom
Assignee: Individual
•
Filing: 1947-10-23
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Granted: 1951-11-13
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Expires: 1967-10-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Waite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:15
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US671682A
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US1570900A
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US1753239A
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US1949902A
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US2073292A
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US2142293A
Cited
US2192020A
Cited
US2334851A
Cited
US2379327A
Cited
US2365524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |