US2736862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article testing apparatus
Assignee: AT&T Inc
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Filing: 1951-11-27
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Granted: 1956-02-28
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Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Howard A Tooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/01; G01R31/013; G01R31/016; B; B07; B07C; B07C5/00; B07C5/34; B07C5/344
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |