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Patent US2445041A successfully refreshed from Google Patents.
US2445041A
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US
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Silhouette reproducing machine
Assignee: Individual
•
Filing: 1945-01-01
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Granted: 1948-07-13
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Expires: 1965-01-01
Abstract
No abstract record available.
Inventors
- 👤 Louis A Scholz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:51
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/02; B43L13/022; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303528; Y10T409/303584; Y10T83/00; Y10T83/869; Y10T83/875
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2226677A
Cited
US2331337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |