US2432364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block printing
Assignee: David Evans & Co Ltd
•
Filing: 1942-06-26
•
Granted: 1947-12-09
•
Expires: 1962-06-26
Abstract
No abstract record available.
Inventors
- 👤 Wykes Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:30
CPC Classifications
B; B41; B41F; B41F1/00; B41F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB464357A
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US2116A
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US95777A
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US476135A
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US515566A
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US527976A
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US573965A
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US584669A
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US914234A
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US947264A
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US1006987A
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US1333308A
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US1359807A
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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) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |