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Patent US2019375A successfully refreshed from Google Patents.
US2019375A
Expired / Lapsed
US
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Stencil printing machine
Assignee: Individual
•
Filing: 1934-12-18
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Granted: 1935-10-29
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Expires: 1954-12-18
Abstract
No abstract record available.
Inventors
- 👤 Wheelwright John Sylvester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:19
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/14; B41F15/40; B41F15/42; B41F15/08; B41F15/0831; B41F15/0836
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) | 1938-10-28 | 1939-04-29 | 1939-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-28 | 1943-04-29 | 1943-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-28 | 1947-04-29 | 1947-10-29 | $7700.00 | Window Closed / Lapsed |