Patent US3834879A successfully refreshed from Google Patents.
US3834879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plated coins
Assignee: Individual
•
Filing: 1973-05-11
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Granted: 1974-09-10
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Expires: 1993-05-11
Abstract
Abstract A METHOD OF PLATING COINS TO GIVE THEM A DECORATIVE FINISH. THE COINS ARE FORMED FROM METAL AND HAVE PICTORIAL MATERIAL ON AT LEAST ONE FACE THEREOF. THE METHOD COMPRISES APPLYING A FIRST DECORATIVE METAL COATING TO THE ENTIRE COIN, MASKING THE PICTORIAL MATERIAL AND APPLYING A SECOND DECORATIVE METAL COATING OVER THE COIN. THE MASK IS THEN REMOVED, AND THE COIN IS LEFT WITH A FIRST DECORATIVE METAL ON THE PICTORIAL PORTION AND A SECOND DECORATIVE METAL ON THE REMAINDER OF THE COIN. THE INVENTION ALSO ENCOMPASSES THE COINS PRODUCED BY THE METHOD.
Inventors
- 👤 J Chin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:31
CPC Classifications
A; A44; A44C; A44C21/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10T; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/12396; Y10T428/12451; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12771; Y10T428/12861; Y10T428/12889; Y10T428/21; Y10T428/216
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) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |