US2181918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible storage file casing
Assignee: Individual
•
Filing: 1935-04-03
•
Granted: 1939-12-05
•
Expires: 1955-04-03
Abstract
No abstract record available.
Inventors
- 👤 Scheinman Sol
- 👤 Mandel Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:51
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/12; Y; Y10; Y10S; Y10S229/00; Y10S229/913
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) | 1942-12-04 | 1943-06-05 | 1943-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-04 | 1947-06-05 | 1947-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-04 | 1951-06-05 | 1951-12-05 | $7700.00 | Window Closed / Lapsed |