US2245758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible tube
Assignee: Individual
•
Filing: 1938-05-04
•
Granted: 1941-06-17
•
Expires: 1958-05-04
Abstract
No abstract record available.
Inventors
- 👤 Chernack Abel Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:29
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/583; B29C53/585; B29C53/586; B29D23/18; B31; B31C; B31C3/00; B65; B65H; B65H81/00; B65H81/06; B65H81/08; B29K; B29K2021/00; B29K2105/00; B29K2105/06
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) | 1944-06-16 | 1944-12-16 | 1945-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-16 | 1948-12-16 | 1949-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-16 | 1952-12-16 | 1953-06-17 | $7700.00 | Window Closed / Lapsed |