US3758336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information carrier construction
Assignee: Robert Bosch GmbH
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Filing: 1971-04-29
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Granted: 1973-09-11
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Expires: 1991-04-29
Abstract
Abstract AN INFORMATION CARRIER HAS AT LEAST ONE SUBSTRATE SUPPORT LAYER OF DIELECTRICMATERIAL AND, ON AN EXPOSED FACE THEREOF AT LEAST ONE METALLIC REGISTRATION LAYER WHICH IS ADAPTED TO HAVE AN INFORMATION-DENOTING TRACK OF PREDETERMINED WIDTH FORMED THEREIN DURING USE. THE FACE OF THE SUBSTRATE SUPPORT LAYER AND CORRESPONDINGLY THE EXPOSED SURFACE OF THE METALLIC REGISTRATION LAYER-WHICH LATTER IS OF CONSTANT THICKNESS-HAVE UNEVENESSES IN FORM OF HILLS AND VALLEYS THE HEIGHT-DIFFERENTIAL BETWEEN WHICH IS GREATER THAN THE PREDETERMINED THICKNESS OF THE REGISTRATION LAYER AND SMALLER THAN THE PREDETERMINED WIDTH OF THE TRACK TO BE FORMED.
Inventors
- 👤 R Reichle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:44
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/24; B41M5/245; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |