Patent US4393505A successfully refreshed from Google Patents.
US2042836A
Expired / Lapsed
US
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Collapsible tube
Assignee: SUN TUBE Corp
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Filing: 1934-01-19
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Granted: 1936-06-02
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Expires: 1954-01-19
Abstract
No abstract record available.
Inventors
- 👤 John H Friden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:26
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/045; B65D35/00; B65D35/02; B65D35/04; B65D35/06; B21; B21C; B21C23/00; B21C23/02; B21C23/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-06-02 | 1939-12-02 | 1940-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-02 | 1943-12-02 | 1944-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-02 | 1947-12-02 | 1948-06-02 | $7700.00 | Window Closed / Lapsed |