Patent US3585400A successfully refreshed from Google Patents.
US1803370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fold-plate shifter
Assignee: CLEVELAND FOLDING MACH CO
•
Filing: 1930-01-07
•
Granted: 1931-05-05
•
Expires: 1950-01-07
Abstract
No abstract record available.
Inventors
- 👤 Lesley R Tufts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:06
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/14; B65H45/142; B65H45/144; B65H45/148
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) | 1934-05-04 | 1934-11-03 | 1935-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-04 | 1938-11-03 | 1939-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-04 | 1942-11-03 | 1943-05-05 | $7700.00 | Window Closed / Lapsed |