US3244971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thickness measuring gauge
Assignee: Great Northern Paper Inc
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Filing: 1963-10-09
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Granted: 1966-04-05
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Expires: 1983-10-09
Abstract
No abstract record available.
Inventors
- 👤 Albion J Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:41
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/10; G01B7/107; G01N; G01N33/00; G01N33/34; G01N33/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
APPARATUS FOR MEASURING THE THICKNESS OF A MOVING WEB OF MATERIAL COMPRISING: (A) A FLEXIBLE BEAM ADAPTED TO OVERLIE ONE SURFACE OF SAID WEB AT A DISTANCE SPACED THEREFROM AND HAVING A PREDETERMINED FLEXING ZONE; (B) MOVABLE FOLLOWER MEANS OPERATIVELY CONNECTED TO SAID BEAM FOR MOVING SAID BEAM TOWARD AND AWAY FROM THE OTHER SURFACE OF SAID WEB BY DISTANCES SUBSTANTIALLY EQUAL TO CHANGES IN THE THICKNESS OF SAID WEB; (C) SENSING MEANS SUPPORTED BY SAID BEAM SO AS TO OVERLIE SAID ONE SURFACE AT A DISTANCE SPACED THEREFROM AND RESPONSIVE TO MOVEMENT OF SAID FOLLOWER MEANS FOR FLEXING SAID BEAM IN SAID FLEXING ZONE FROM A REFERENCE POSITION TOWARD AND AWAY FROM SAID ONE SURFACE BY DISTANCES PROPORTIONAL TO DECREASES AND INCREASES IN THE THICKNESS OF SAID WEB; AND (D) MEANS RESPONSIVE TO FLEXING OF SAID BEAM FOR PRODUCING A SIGNAL REPRESENTATIVE OF THE THICKNESS OF SAID WEB.
Claim 2
Dependent Claim
149 words
APPARATUS FOR MEASURING THE THICKNESS OF A MOVING WEB OF MATERIAL COMPRISING: (A) A FLEXIBLE BEAM ADAPTED TO OVERLIE ONE SURFACE OF SAID WEB AT A DISTANCE SPACED THEREFROM AND HAVING A PREDETERMINED FLEXING ZONE; (B) MOVABLE FOLLOWER MEANS OPERATIVELY CONNECTED TO SAID BEAM FOR MOVING SAID BEAM TOWARD AND AWAY FROM THE OTHER SURFACE OF SAID WEB BY DISTANCES SUBSTANTIALLY EQUAL TO CHANGES IN THE THICKNESS OF SAID WEB; (C) SENSING MEANS SUPPORTED BY SAID BEAM SO AS TO OVERLIE SAID ONE SURFACE AT A DISTANCE SPACED THEREFROM AND RESPONSIVE TO MOVEMENT OF SAID FOLLOWER MEANS FOR FLEXING SAID BEAM IN SAID FLEXING ZONE FROM A REFERENCE POSITION TOWARD AND AWAY FROM SAID ONE SURFACE BY DISTANCES PROPORTIONAL TO DECREASES AND INCREASES IN THE THICKNESS OF SAID WEB; AND (D) MEANS RESPONSIVE TO FLEXING OF SAID BEAM FOR PRODUCING A SIGNAL REPRESENTATIVE OF THE THICKNESS OF SAID WEB.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |