US3020795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid inspection apparatus
Assignee: EIDP Inc
•
Filing: 1959-05-14
•
Granted: 1962-02-13
•
Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Mckinney
- 👤 Charles D Reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:50
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/05; G01N21/17; G01N21/47; G01N21/49; G01N21/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1937721A
Cited
US1937722A
Cited
US1969626A
Cited
US2460836A
Cited
US2775159A
Cited
US2873644A
Cited
US2935909A
Cited
US2966092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |