US2760374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing fabricated products
Assignee: Johns Manville Corp
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Filing: 1951-06-15
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Granted: 1956-08-28
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Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
- 👤 Gottsch Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:27
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
AN APPARATUS FOR INSPECTING OBJECTS BY DETERMINING WHETHER OR NOT THEIR RELATIVE DENSITY MEETS A PREDETERMINED STANDARD COMPRISING, IN COMBINATION, MEANS COMPRISING A SCALE FOR WEIGHING AN OBJECT, SAID SCALE HAVING A MOVABLE FIRST POINTER, AND MEANS COMPRISING A SECOND POINTER OPERABLE FOR MANUAL SETTING AND RETENTION AT A POSITION CORRESPONDING TO THAT TAKEN BY SAID FIRST POINTER IN INDICATING THE WEIGHT OF AN OBJECT WEIGHED BY SAID SCALE IN AIR, A THIRD POINTER, AND MEANS INTERCONNECTING SAID SECOND AND THIRD POINTERS TO MOVE SAID THIRD POINTER TO A POSITION WHICH IS REPRESENTATIVE OF A PREDETERMINED PROPORTION OF THE AMOUNT REPRESENTED BY THE SECOND POINTER, SAID PREDETERMINED PROPORTION BEING THE RELATIVE WEIGHT THE OBJECT MUST HAVE IN LIQUID OF KNOW DENSITY TO MEET THE RELATIVE DENSITY STANDARD, AND MEANS FOR SUSPENDING AN OBJECT FROM SAID SCALE FOR SUCCESSIVELY WEIGHING THE OBJECT THEREBY, FIRST IN AIR AND THEN IN LIQUID, WHEREBY THE INDICATION BY SAID FIRST POINTER OF THE WEIGHT IN LIQUID CAN BE READILY AND QUICKLY COMPARED WITH THE INDICATION OF THE THIRD POINTER TO INDICATE WHETHER OR NOT THE RELATIVE DENSITY OF THE OBJECT MEETS THE PREDETERMINED STANDARD.
Claim 2
Independent Claim
189 words
AN APPARATUS FOR INSPECTING OBJECTS BY DETERMINING WHETHER OR NOT THEIR RELATIVE DENSITY MEETS A PREDETERMINED STANDARD COMPRISING, IN COMBINATION, MEANS COMPRISING A SCALE FOR WEIGHING AN OBJECT, SAID SCALE HAVING A MOVABLE FIRST POINTER, AND MEANS COMPRISING A SECOND POINTER OPERABLE FOR MANUAL SETTING AND RETENTION AT A POSITION CORRESPONDING TO THAT TAKEN BY SAID FIRST POINTER IN INDICATING THE WEIGHT OF AN OBJECT WEIGHED BY SAID SCALE IN AIR, A THIRD POINTER, AND MEANS INTERCONNECTING SAID SECOND AND THIRD POINTERS TO MOVE SAID THIRD POINTER TO A POSITION WHICH IS REPRESENTATIVE OF A PREDETERMINED PROPORTION OF THE AMOUNT REPRESENTED BY THE SECOND POINTER, SAID PREDETERMINED PROPORTION BEING THE RELATIVE WEIGHT THE OBJECT MUST HAVE IN LIQUID OF KNOW DENSITY TO MEET THE RELATIVE DENSITY STANDARD, AND MEANS FOR SUSPENDING AN OBJECT FROM SAID SCALE FOR SUCCESSIVELY WEIGHING THE OBJECT THEREBY, FIRST IN AIR AND THEN IN LIQUID, WHEREBY THE INDICATION BY SAID FIRST POINTER OF THE WEIGHT IN LIQUID CAN BE READILY AND QUICKLY COMPARED WITH THE INDICATION OF THE THIRD POINTER TO INDICATE WHETHER OR NOT THE RELATIVE DENSITY OF THE OBJECT MEETS THE PREDETERMINED STANDARD.
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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) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |