Patent US3429991A successfully refreshed from Google Patents.
US3429991A
Expired / Lapsed
US
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Facsimile system for reproducing a picture or the like on a metal layer
Assignee: Robert Bosch GmbH
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Filing: 1965-01-14
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Granted: 1969-02-25
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Alfred Ortlieb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:19
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/08; H04N1/083; H04N1/0839; H04N1/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079310A
Cited
US2051511A
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US2520761A
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US2489691A
Cited
US2741530A
Cited
US2737882A
Cited
US3074066A
Cited
US3204075A
Cited
US3210514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |