Patent US3401550A successfully refreshed from Google Patents.
US3401550A
Expired / Lapsed
US
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Lubricity tester
Assignee: Uniroyal Inc
•
Filing: 1966-06-08
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Granted: 1968-09-17
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Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 Haig D Tarpinian
- 👤 James D Nanny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:09
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N33/28; G01N33/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US154922A
Cited
US214132A
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US1777423A
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US2031253A
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US2114029A
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US2429055A
Cited
US2887874A
Cited
US2957335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |