Patent US4907871A successfully refreshed from Google Patents.
Patent US3287632A successfully refreshed from Google Patents.
US3287632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile inspection device for testing metallic members for longitudinal and transverse discontinuities
Assignee: Plastic Applicators Inc
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Filing: 1964-04-20
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Granted: 1966-11-22
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 David R Tompkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/9093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A MOBILE PIPE INSPECTION DEVICE COMPRISING: (A) A VEHICLE HAVING AN INTERIOR PORTION PROVIDING ALL WEATHER PROTECTION THEREIN, THERE BEING AN OPENING TO THE EXTERIOR OF THE VEHICLE, (B) RACK MEANS ALIGNED WITH THE OPENING FOR RECEIVING PIPE THEREON, (C) MEANS FOR TRANSLATING PIPE ON THE RACK MEANS INTO THE INTERIOR PORTION OF THE VEHICLE, (D) MEANS IN THE VEHICLE FOR MAGNETIZING A SUBSTANTIAL LONGITUDINAL PORTION OF THE PIPE, (E) MEANS IN THE VEHICLE FOR SENSING MAGNETIC FIELD VARIATIONS ADJACENT THE OUTER SURFACE OF THE PIPE, (F) MEANS IN THE VEHICLE FOR INDICATING MAGNETIC FIELD VARIATIONS SENSED BY THE SENSING MEANS, (G) MEANS FOR CIRCUMFERENTIALLY MAGNETIZING THE PIPE, (H) MEANS IN THE VEHICLE FOR SENSING MAGNETIC FIELD VARIATIONS ADJACENT THE OUTER SURFACE OF THE CIRCUMFERENTIALLY MAGNETIZED PIPE, SAID MEANS BEING COMNECTED TO THE INDICATING MEANS FOR INDICATING VARITIONS DETECTED THEREBY, AND (I) MEANS FOR TRANSLATING INSPECTED PIPE FROM THE INTERIOR PORTION OF THE VEHICLE.
Claim 2
Dependent Claim
154 words
A MOBILE PIPE INSPECTION DEVICE COMPRISING: (A) A VEHICLE HAVING AN INTERIOR PORTION PROVIDING ALL WEATHER PROTECTION THEREIN, THERE BEING AN OPENING TO THE EXTERIOR OF THE VEHICLE, (B) RACK MEANS ALIGNED WITH THE OPENING FOR RECEIVING PIPE THEREON, (C) MEANS FOR TRANSLATING PIPE ON THE RACK MEANS INTO THE INTERIOR PORTION OF THE VEHICLE, (D) MEANS IN THE VEHICLE FOR MAGNETIZING A SUBSTANTIAL LONGITUDINAL PORTION OF THE PIPE, (E) MEANS IN THE VEHICLE FOR SENSING MAGNETIC FIELD VARIATIONS ADJACENT THE OUTER SURFACE OF THE PIPE, (F) MEANS IN THE VEHICLE FOR INDICATING MAGNETIC FIELD VARIATIONS SENSED BY THE SENSING MEANS, (G) MEANS FOR CIRCUMFERENTIALLY MAGNETIZING THE PIPE, (H) MEANS IN THE VEHICLE FOR SENSING MAGNETIC FIELD VARIATIONS ADJACENT THE OUTER SURFACE OF THE CIRCUMFERENTIALLY MAGNETIZED PIPE, SAID MEANS BEING COMNECTED TO THE INDICATING MEANS FOR INDICATING VARITIONS DETECTED THEREBY, AND (I) MEANS FOR TRANSLATING INSPECTED PIPE FROM THE INTERIOR PORTION OF THE VEHICLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |