Patent US2190416A successfully refreshed from Google Patents.
US2190416A
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Folding machine
Assignee: DAVIDSON Manufacturing CORP
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Filing: 1938-06-04
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Granted: 1940-02-13
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Expires: 1958-06-04
Abstract
No abstract record available.
Inventors
- 👤 Davidson William Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:10
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/12; B65H11/00; B65H11/002; B65H31/00; B65H31/24; B65H45/00; B65H45/12; B65H45/14; B65H45/142; B65H9/00; B65H9/16; B65H9/166; B65H2301/00; B65H2301/30; B65H2301/33; B65H2301/332; B65H2301/3321; B65H2301/33216; B65H2301/3322; B65H2301/33222; B65H2404/00; B65H2404/20; B65H2404/26; B65H2404/263; B65H2404/50; B65H2404/54
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) | 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 |