US2485069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Translating material of silicon base
Assignee: AT&T Inc
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Filing: 1944-07-20
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Granted: 1949-10-18
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Expires: 1964-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jack H Scaff
- 👤 Henry C Theuerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:01
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/02; C30; C30B; C30B9/00; H; H01; H01B; H01B3/00; H01B3/02; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D62/00; H10D62/60; H10D62/80; H10D62/83; H10D62/834; H10D99/00; H10P; H10P95/00; H10P95/50; H10P95/90; H10W; H10W76/00; H10W76/10; H10W76/17; H10W76/60; H10W72/00; H10W72/071; H10W72/073
Claims Analysis
Total Claims: 0
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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) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |