US2739737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing closure for collapsible tubes
Assignee: MICHAEL P GRACE
•
Filing: 1953-06-10
•
Granted: 1956-03-27
•
Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Mas Christy M Del
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:43
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US330812A
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US781332A
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US1484589A
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US1852198A
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US2121118A
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US2294594A
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CH277946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |