Patent US2493814A successfully refreshed from Google Patents.
US2493814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic closure for collapsible tubes
Assignee: Individual
•
Filing: 1944-12-22
•
Granted: 1950-01-10
•
Expires: 1964-12-22
Abstract
No abstract record available.
Inventors
- 👤 Albert E Groody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:47
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/2018; B65D47/2093
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US859898A
Cited
US1123989A
Cited
US1721666A
Cited
US1881488A
Cited
US1922204A
Cited
US1905936A
Cited
US2011742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |