US2190418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet conveyer
Assignee: DAVIDSON Manufacturing CORP
•
Filing: 1936-02-24
•
Granted: 1940-02-13
•
Expires: 1956-02-24
Abstract
No abstract record available.
Inventors
- 👤 Davidson William Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:23
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/24; B65G47/244; B65H; B65H9/00; B65H9/16; B65H9/166; B65H2301/00; B65H2301/30; B65H2301/33
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) | 1943-02-12 | 1943-08-14 | 1944-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-02-12 | 1947-08-14 | 1948-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-02-12 | 1951-08-14 | 1952-02-13 | $7700.00 | Window Closed / Lapsed |