Patent US3669849A successfully refreshed from Google Patents.
US3669849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complexly shaped articles formed by deposition processes
Assignee: General Electric Co
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Filing: 1969-10-16
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Granted: 1972-06-13
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Expires: 1989-10-16
Abstract
Abstract Perforations in the recessed area of a surface mold are provided to produce smooth, even, relatively stress-free deposition on the recessed area. Fusible fillets may also be used to form rigid bridges over parts of the recessed area. A specific product is an integrally formed, rigidly supported, relatively stress-free electroplated mirror.
Inventors
- 👤 Ferenc J Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/06; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
An electroplated article, such as that recited in claim 1, wherein said sheet-like portion is a relatively stress-free, optically smooth, mirror surface.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |