US1993652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper folding machine
Assignee: DUPLEX PRINTING PRESS Co
•
Filing: 1931-08-31
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Granted: 1935-03-05
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Expires: 1951-08-31
Abstract
No abstract record available.
Inventors
- 👤 Edmund W Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:56
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/16; B65H45/161; B41; B41F; B41F13/00; B41F13/54; B41F13/56; B41F13/60; B65H45/162; B65H45/166; B65H45/28
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) | 1938-03-04 | 1938-09-03 | 1939-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-04 | 1942-09-03 | 1943-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-04 | 1946-09-03 | 1947-03-05 | $7700.00 | Window Closed / Lapsed |