Patent US3233446A successfully refreshed from Google Patents.
US3233446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic ring and ball type softening point apparatus
Assignee: Atlantic Richfield Co
•
Filing: 1962-12-28
•
Granted: 1966-02-08
•
Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Ceglia Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:41
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02; G01N25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN AUTOMATIC APPARATUS FOR DETERMINING THE SOFTENING POINT OF A SAMPLE OF BITUMINOUS MATERIAL, COMPRISING, (A) A CONTAINER FILLED WITH FLUID, (B) A HEATING MEANS FOR HEATING SAID FLUID, (C) FIRST AND SECOND TEMPERATURE MEASURING MEANS POSITIONED IN SAID FLUID, (D) A RING AND BALL TESTER POSITIONED IN SAID FLUID FOR HOLDING SAID SAMPLE OF BITUMINOUS MATERIAL, (E) A PROGRAM CIRCUIT ELECTRICALLY CONNECTED TO SAID FIRST TEMPERATURE MEASURING MEANS AND TO SAID HEATING MEANS FOR CONTROLLING SAID HEATING MEANS SO THAT THE TEMPERATURE OF SAID FLUID IS RAISED ACCORDING TO A PREDETERMINED RATE, (F) A SENSOR SWITCH MECHANICALLY CONNECTED TO SAID RING AND BALL TESTER FOR DETECTING WHEN THE BALL FALLS THROUGH THE RING OF SAID TESTER, (G) A RELAY SYSTEM ELECTRICALLY CONNECTED TO SAID SENSOR SWITCH FOR OPERATING SAID HEATING MEANS AND SAID PROGRAM CIRCUIT, AND (H) A RECORDING MEANS ELECTRICALLY CONNECTED TO SAID SECOND TEMPERATURE MEASURING MEANS FOR PLOTTING THE TEMPERATURE OF SAID FLUID AS A FUNCTION OF TIME.
Claim 2
Dependent Claim
161 words
AN AUTOMATIC APPARATUS FOR DETERMINING THE SOFTENING POINT OF A SAMPLE OF BITUMINOUS MATERIAL, COMPRISING, (A) A CONTAINER FILLED WITH FLUID, (B) A HEATING MEANS FOR HEATING SAID FLUID, (C) FIRST AND SECOND TEMPERATURE MEASURING MEANS POSITIONED IN SAID FLUID, (D) A RING AND BALL TESTER POSITIONED IN SAID FLUID FOR HOLDING SAID SAMPLE OF BITUMINOUS MATERIAL, (E) A PROGRAM CIRCUIT ELECTRICALLY CONNECTED TO SAID FIRST TEMPERATURE MEASURING MEANS AND TO SAID HEATING MEANS FOR CONTROLLING SAID HEATING MEANS SO THAT THE TEMPERATURE OF SAID FLUID IS RAISED ACCORDING TO A PREDETERMINED RATE, (F) A SENSOR SWITCH MECHANICALLY CONNECTED TO SAID RING AND BALL TESTER FOR DETECTING WHEN THE BALL FALLS THROUGH THE RING OF SAID TESTER, (G) A RELAY SYSTEM ELECTRICALLY CONNECTED TO SAID SENSOR SWITCH FOR OPERATING SAID HEATING MEANS AND SAID PROGRAM CIRCUIT, AND (H) A RECORDING MEANS ELECTRICALLY CONNECTED TO SAID SECOND TEMPERATURE MEASURING MEANS FOR PLOTTING THE TEMPERATURE OF SAID FLUID AS A FUNCTION OF TIME.
References Cited (Backward Citations)
US968406A
Cited
US1291409A
Cited
US1717529A
Cited
US2036432A
Cited
US2672751A
Cited
US2967423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |