US2579461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil printing machine
Assignee: Individual
•
Filing: 1945-09-04
•
Granted: 1951-12-25
•
Expires: 1965-09-04
Abstract
No abstract record available.
Inventors
- 👤 Almus C Barlow
- 👤 William V Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:10
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/08; B41F15/0804; B41F15/0813; B41F15/0827
Claims Analysis
Total Claims: 0
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US2393402A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |