US3368079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip guide for a pinhole detector
Assignee: United States Steel Corp
•
Filing: 1965-11-04
•
Granted: 1968-02-06
•
Expires: 1985-11-04
Abstract
No abstract record available.
Inventors
- 👤 John W Lerch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:25
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; G01N21/892; G01N21/894
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125682A
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US2229638A
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US2395181A
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US2739503A
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US2820908A
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US2886716A
Cited
US2979984A
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US3255356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |