Patent US2945204A successfully refreshed from Google Patents.
US2945204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Designation strips for apparatus
Assignee: AT&T Inc
•
Filing: 1957-06-05
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Granted: 1960-07-12
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Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Berger Brynjulf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:31
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/36; Y; Y10; Y10S; Y10S116/00; Y10S116/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1784236A
Cited
US1551954A
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US1926685A
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US1996288A
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US2083872A
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US2106084A
Cited
US2178092A
Cited
US2578444A
Cited
US2557402A
Cited
US2671888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |