US2736192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ryerson etal
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
•
Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:02
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2422766A
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US2463566A
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US2618962A
Cited
US2607215A
Cited
US2606808A
Cited
US2493336A
Cited
US2622441A
Cited
US2518427A
Cited
US2608093A
Cited
US2579617A
Cited
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 |