Patent US4173452A successfully refreshed from Google Patents.
US2492533A
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US
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Dispensing device for collapsible tubes
Assignee: Individual
•
Filing: 1948-08-12
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Granted: 1949-12-27
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Expires: 1968-08-12
Abstract
No abstract record available.
Inventors
- 👤 Elof F Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:55
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/24; B65D35/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790364A
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US1790930A
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US1507464A
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US1605914A
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US1793077A
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US1882358A
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US1910032A
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US1964311A
Cited
US2008213A
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US2260346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |