US1960482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding mechanism for rotary duplicators
Assignee: Ditto Inc
•
Filing: 1931-12-31
•
Granted: 1934-05-29
•
Expires: 1951-12-31
Abstract
No abstract record available.
Inventors
- 👤 James K Duncan
- 👤 Clifford N Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:23
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/46; B65H3/56; B65H9/00; B65H9/06; Y; Y10; Y10S; Y10S271/00; Y10S271/90
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) | 1937-05-28 | 1937-11-27 | 1938-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-28 | 1941-11-27 | 1942-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-28 | 1945-11-27 | 1946-05-29 | $7700.00 | Window Closed / Lapsed |