Patent FR2437962A1 successfully refreshed from Google Patents.
US3212949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Identification medium
Assignee: Westinghouse Air Brake Co
•
Filing: 1961-06-08
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Granted: 1965-10-19
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Expires: 1981-06-08
Abstract
No abstract record available.
Inventors
- 👤 Theodore B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:12
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/16; G09F7/165; G09F3/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A METHOD OF MAKING AN INDENTIFICATION MEDIUM WHICH COMPRISES THE STEPS OF BONDING A SHEET OVER A RADIANT ENERGY REFLECTIVE SUPPORTING SURFACE, REMOVINGD SELECTED FROM PORTIONS OF THE SHEET TO EXPOSE SELECTED AREAS OF THE RADIANT ENERGY REFLECTIVE SURFACE, COATING THE EXPOSED RADIANT ENERGY REFLECTIVE SURFACE AND THE REMAINING PORTIONS OF THE SHEET ON THE SURFACE WITH A NON-REFLECTIVE MATERIAL, DRYING THE NON-REFLECTIVE COATING, AND REMOVING THE REMAINING PORTIONS OF THE SHEET WHEREBY A SURFACE IS FORMED WITH A PATTERN OF RADIANT ENERGY REFLECTIVE AND NON-REFLECTIVE AREAS WHICH ESTABLISHES IDENTITY.
References Cited (Backward Citations)
US2511953A
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US2725324A
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US2882632A
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US3032433A
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US3024155A
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US3017713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |