Patent US3179800A successfully refreshed from Google Patents.
US3179800A
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Apparatus for measuring thickness variation across the width of a moving strip
Assignee: United States Steel Corp
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Filing: 1960-10-28
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Granted: 1965-04-20
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 James E Mcnamara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:23
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/16; G01N23/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
APPARATUS FOR MEASURING THICKNESS VARIATION ACROSS THE WIDTH OF A MOVING OPAQUE STRIP OF SUBSTANTIALLY CONSTANT DENSITY COMPRISING A STATIONARY THICKNESS GAGE FOR MEASURING STRIP THICKNESS IN ONE LONGITUDINAL PLANE OF THE STRIP, A MOVABLE THICKNESS GAGE, MEANS FOR MOVING SAID LAST NAMED GAGE TRANSVERSELY OF SAID STRIP ACROSS THE MAJORITY OF THE WIDTH THEREOF AS THE STRIP MOVES THEREPAST, AND MEANS FOR COMPARING THE OUTPUTS OF SAID GAGES AT MORE THAN ONE TRANSVERSE POSITION ON THE STRIP.
Claim 2
Dependent Claim
78 words
APPARATUS FOR MEASURING THICKNESS VARIATION ACROSS THE WIDTH OF A MOVING OPAQUE STRIP OF SUBSTANTIALLY CONSTANT DENSITY COMPRISING A STATIONARY THICKNESS GAGE FOR MEASURING STRIP THICKNESS IN ONE LONGITUDINAL PLANE OF THE STRIP, A MOVABLE THICKNESS GAGE, MEANS FOR MOVING SAID LAST NAMED GAGE TRANSVERSELY OF SAID STRIP ACROSS THE MAJORITY OF THE WIDTH THEREOF AS THE STRIP MOVES THEREPAST, AND MEANS FOR COMPARING THE OUTPUTS OF SAID GAGES AT MORE THAN ONE TRANSVERSE POSITION ON THE STRIP.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |