US2664043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil recording blank and process of preparation
Assignee: Timefax Corp
•
Filing: 1947-06-17
•
Granted: 1953-12-29
•
Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 Harold R Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:43
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1008; B41C1/1033; B41N; B41N1/00; B41N1/24; B41N1/246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2040142A
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US2068113A
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US2353717A
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US2385562A
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US2398779A
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US2425742A
Cited
US2500617A
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US2363270A
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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) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |