Patent US2939804A successfully refreshed from Google Patents.
US2939804A
Expired / Lapsed
US
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Resin particle coated with metal
Assignee: Uarco Inc
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Filing: 1958-01-23
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Granted: 1960-06-07
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Expires: 1978-01-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick V Schossberger
- 👤 Donald K Werle
- 👤 Michalchik Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:09
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/28; B; B41; B41M; B41M5/00; B41M5/124; B41M5/165; B41M5/26; B41M5/28; B41M5/287; C23C18/31; C23C18/38; C23C18/40; G; G03; G03G; G03G9/00; G03G9/08; G03G9/093; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A COATED, PRESSURE AND HEAT SENSITIVE PARTICLE COMPRISING: A RESINOUS THERMOPLASTIC SUBSTANCE HAVING AN INTERMEDIATE COATING OF METALLIC COPPER CONTAINING A SMALL AMOUNT OF METALLIC PALLADIUM AND AN OUTER COATING OF METALLIC NICKEL.
Claim 2
Dependent Claim
33 words
A COATED, PRESSURE AND HEAT SENSITIVE PARTICLE COMPRISING: A RESINOUS THERMOPLASTIC SUBSTANCE HAVING AN INTERMEDIATE COATING OF METALLIC COPPER CONTAINING A SMALL AMOUNT OF METALLIC PALLADIUM AND AN OUTER COATING OF METALLIC NICKEL.
References Cited (Backward Citations)
GB606437A
Cited
US2430581A
Cited
US2788297A
Cited
US2690402A
Cited
US2761854A
Cited
US2757104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |