Patent US2858536A successfully refreshed from Google Patents.
US2858536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Type actuating means in high speed printers
Assignee: National Research Council Canada
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Filing: 1955-05-04
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Granted: 1958-10-28
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Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 Johnston Robert Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:45
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/12; G06K1/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1506242A
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US2715360A
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US2692551A
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US2575017A
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US2811102A
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US2805620A
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US2686470A
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US2762297A
Cited
US2776618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |