US1968941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating sheets of paper or other material while traveling in the same direction
Assignee: Individual
•
Filing: 1931-09-04
•
Granted: 1934-08-07
•
Expires: 1951-09-04
Abstract
No abstract record available.
Inventors
- 👤 Hall Benjamin James
- 👤 Hall Benjamin Fairfax
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:08
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/24; B; B65; B65H; B65H29/00; B65H29/54
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) | 1937-08-06 | 1938-02-05 | 1938-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-06 | 1942-02-05 | 1942-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-06 | 1946-02-05 | 1946-08-07 | $7700.00 | Window Closed / Lapsed |