Patent US3047871A successfully refreshed from Google Patents.
US3047871A
Expired / Lapsed
US
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Electronic printer
Assignee: General Dynamics Corp
•
Filing: 1958-03-31
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Granted: 1962-07-31
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Theodore M Hider
- 👤 Justin J Rennilson
- 👤 Roger A Frech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:13
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/435; B41J2/44; G; G03; G03G; G03G15/00; G03G15/22; G03G15/32; G03G15/326; G03G15/328
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1801450A
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US1751584A
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US1894264A
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US2483147A
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US2537040A
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US2751275A
Cited
US2829025A
Cited
US2736770A
Cited
US2777745A
Cited
US2725786A
Cited
US2825260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |