Patent US2044837A successfully refreshed from Google Patents.
US2044837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for collapsible tubes
Assignee: Individual
•
Filing: 1935-10-07
•
Granted: 1936-06-23
•
Expires: 1955-10-07
Abstract
No abstract record available.
Inventors
- 👤 Harry D Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:39
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/24; B65D35/42; B65D45/00; B65D45/02; B65D45/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |