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US2862384A
Expired / Lapsed
US
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Apparatus for automatic testing of sheets and leaves
Assignee: Realisations Ultrasoniques SA
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Filing: 1954-08-10
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Granted: 1958-12-02
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Expires: 1974-08-10
Abstract
No abstract record available.
Inventors
- 👤 Renaut Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/06; G01N29/0609; G01N29/0618; G01N29/0627
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979722A
Cited
US2164125A
Cited
US2371963A
Cited
US2527208A
Cited
US2606294A
Cited
FR1017869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |