US3299350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating pipe inspection assembly with solenoid operated means to raise and lower the sensor means
Assignee: Plastic Applicators Inc
•
Filing: 1964-02-24
•
Granted: 1967-01-17
•
Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 David R Tompkins
- 👤 Lemuel L Council
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:18
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/9013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2582440A
Cited
US2886772A
Cited
US2882488A
Cited
US2878447A
Cited
US3066254A
Cited
US3202914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |