US3056185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of shaped silver halides
Assignee: Engelhard Industries Inc
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Filing: 1960-11-22
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Granted: 1962-10-02
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Expires: 1980-11-22
Abstract
No abstract record available.
Inventors
- 👤 Langhans Otto William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:31
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M6/00; H01M6/14; H01M6/18; H01M6/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD FOR PRODUCING A SHAPED SILVER HALIDE ARTICLE, WHICH COMPRISES COMPRESSING A MASS OF HALIDE OF SILVER OF THE GROUP CONSISTING OF THE CHLORIDE, BROMIDE AND IODINE OF SILVER TO FORM A CAKE, HEATING THE CAKE TO A TEMPERATURE SUFFICIENT TO RENDER THE CAKE PLASTIC BUT BELOW THE MELTING POINT OF THE SILVER HALIDE, AND SHAPING THE SILVER HALIDE CAKE WHILE IN PLASTIC STATE INTO AN ARTICLE OF THE DESIRED SHAPE.
Claim 2
Independent Claim
72 words
A METHOD FOR PRODUCING A SHAPED SILVER HALIDE ARTICLE, WHICH COMPRISES COMPRESSING A MASS OF HALIDE OF SILVER OF THE GROUP CONSISTING OF THE CHLORIDE, BROMIDE AND IODINE OF SILVER TO FORM A CAKE, HEATING THE CAKE TO A TEMPERATURE SUFFICIENT TO RENDER THE CAKE PLASTIC BUT BELOW THE MELTING POINT OF THE SILVER HALIDE, AND SHAPING THE SILVER HALIDE CAKE WHILE IN PLASTIC STATE INTO AN ARTICLE OF THE DESIRED SHAPE.
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) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |