US2545277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil screen frame
Assignee: Individual
•
Filing: 1947-06-04
•
Granted: 1951-03-13
•
Expires: 1967-06-04
Abstract
No abstract record available.
Inventors
- 👤 Charles J Hannah
- 👤 Salle Russell D La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:06
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/14; B41F15/34; B41F15/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US275226A
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US536933A
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US848104A
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US1092442A
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US1187402A
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US1248858A
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FR533477A
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US1467787A
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US1444609A
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US1892268A
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US2204928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |