Patent US2848682A successfully refreshed from Google Patents.
US2848682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular resistance coupon
Assignee: California Research LLC
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Filing: 1956-05-21
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Granted: 1958-08-19
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Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Chittum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:11
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
APPARATUS FOR MEASURING THE CORROSION RATE IN A METAL CONTAINER CONTAINING A FLUID COMPRISING AN ELONGATED METAL TUBE PROJECTING INTO SAID CONTAINER AND EXPOSED TO SAID FLUID, A CLOSED END ON SAID TUBE TO EXCLUDE SAID FLUID FROM THE INTERIOR THEREOF, A PLURALITY OF ELECTRICAL CONTACTS PLACED IN ELECTRICALLY CONDUCTING RELATIONSHIP WITH THE INTERIOR WALL OF SAID TUBE AND IN SPACEDAPART RELATIONSHIP TO EACH OTHER, INSULATED CONDUCTORS
Claim 2
Dependent Claim
67 words
APPARATUS FOR MEASURING THE CORROSION RATE IN A METAL CONTAINER CONTAINING A FLUID COMPRISING AN ELONGATED METAL TUBE PROJECTING INTO SAID CONTAINER AND EXPOSED TO SAID FLUID, A CLOSED END ON SAID TUBE TO EXCLUDE SAID FLUID FROM THE INTERIOR THEREOF, A PLURALITY OF ELECTRICAL CONTACTS PLACED IN ELECTRICALLY CONDUCTING RELATIONSHIP WITH THE INTERIOR WALL OF SAID TUBE AND IN SPACEDAPART RELATIONSHIP TO EACH OTHER, INSULATED CONDUCTORS
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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |