Patent US3218722A successfully refreshed from Google Patents.
US3218722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gage for measuring the flange height of structural shapes
Assignee: United States Steel Corp
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Filing: 1964-01-29
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Granted: 1965-11-23
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Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Percy C Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:04
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/02; G01B5/06; G01B5/061; G01B3/00; G01B3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A GATE FOR DETERMINING THE HEIGHT OF A FLANGE OF A STRUCTURAL SHAPE COMPRISING A HEAD HAVING A SHOULDER ADAPTED TO ENGAGE THE TOP EDGE OF SAID FLANGE, A RACK BAR SLIDABLE THROUGH SAID HEAD ADAPTED TO MAKE ENDWISE ENGAGEMENT WITH A SURFACE FIXED RELATIVE TO SAID HEAD, A SHAFT ROTATABLE IN SAID HEAD, SAID SHAFT PROJECTING NORMAL TO SAID RACK, A PINION FIXED ON SAID SHAFT MESHING WITH SAID RACK, INDICATOR MEANS CARRIED BY SAID SHAFT ADJACENT THE END THEREOF REMOTE FROM SAID HEAD, A TUBE SURROUNDING SAID SHAFT AND EXTENDING BETWEEN SAID HEAD AND SAID INDICATOR MEANS, SAID TUBE BEING ROTATABLY FIXED RELATIVE TO SAID SHAFT, SAID INDICATOR MEANS INCLUDING A WHEEL CIRCUMFERENTIALLY MOUNTED ON SAID SHAFT, A POINTER RIGIDLY MOUNTED ON SAID TUBE ADJACENT SAID WHEEL, MEANS FOR ADJUSTING SAID WHEEL CIRCUMFERENTIALLY ON SAID SHAFT, SAID
Claim 2
Dependent Claim
139 words
A GATE FOR DETERMINING THE HEIGHT OF A FLANGE OF A STRUCTURAL SHAPE COMPRISING A HEAD HAVING A SHOULDER ADAPTED TO ENGAGE THE TOP EDGE OF SAID FLANGE, A RACK BAR SLIDABLE THROUGH SAID HEAD ADAPTED TO MAKE ENDWISE ENGAGEMENT WITH A SURFACE FIXED RELATIVE TO SAID HEAD, A SHAFT ROTATABLE IN SAID HEAD, SAID SHAFT PROJECTING NORMAL TO SAID RACK, A PINION FIXED ON SAID SHAFT MESHING WITH SAID RACK, INDICATOR MEANS CARRIED BY SAID SHAFT ADJACENT THE END THEREOF REMOTE FROM SAID HEAD, A TUBE SURROUNDING SAID SHAFT AND EXTENDING BETWEEN SAID HEAD AND SAID INDICATOR MEANS, SAID TUBE BEING ROTATABLY FIXED RELATIVE TO SAID SHAFT, SAID INDICATOR MEANS INCLUDING A WHEEL CIRCUMFERENTIALLY MOUNTED ON SAID SHAFT, A POINTER RIGIDLY MOUNTED ON SAID TUBE ADJACENT SAID WHEEL, MEANS FOR ADJUSTING SAID WHEEL CIRCUMFERENTIALLY ON SAID SHAFT, SAID
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |