US2035304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose tube
Assignee: Individual
•
Filing: 1934-01-24
•
Granted: 1936-03-24
•
Expires: 1954-01-24
Abstract
No abstract record available.
Inventors
- 👤 Otto W Dieffenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:48
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/70; B29C66/72; B29C66/723; A; A47; A47G; A47G21/00; A47G21/18; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4329; B29C66/71; B29L; B29L2009/00
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) | 1939-03-24 | 1939-09-23 | 1940-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-24 | 1943-09-23 | 1944-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-24 | 1947-09-23 | 1948-03-24 | $7700.00 | Window Closed / Lapsed |