Patent US2101140A successfully refreshed from Google Patents.
US2948261A
Expired / Lapsed
US
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Apparatus for producing printed wiring by metal vaporization
Assignee: AT&T Inc
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Filing: 1956-12-07
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Granted: 1960-08-09
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Expires: 1976-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jr George P Mcgraw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:05
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/04; C23C14/042; C23C14/22; C23C14/56; C23C14/562; H; H05; H05K; H05K3/00; H05K3/10; H05K3/14; H05K3/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2382432A
Cited
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US2426494A
Cited
GB692614A
Cited
US2702760A
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US2750921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |