US3245249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melting point recorder
Assignee: Dow Chemical Co
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Filing: 1964-04-06
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Granted: 1966-04-12
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Luther F Berhenke
- 👤 Leonard W Herscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:32
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02; G01N25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
APPARATUS CONNECTABLE TO A STANDARD RECORDER HAVING A WRITING SURFACE RESPONSIVE TO TIME AND A PEN RESPONSIVE TO TEMPERATURE FOR INDICATING THE POINTS AT WHICH MELTING OF A SAMPLE OF MATERIAL STARTS AND COMPLETED COMPRISING, CONTAINER MEANS FOR HOLDING A SAMPLE OF MATERIAL FOR WHICH DETERMINATION OF MELT POINT INFORMATION IS DESIRED, CONTACT MEANS POSITIONABLE IN SAID CONTAINER MEANS SO THAT IT CAN ENGAGE A SAMPLE IN SAID CONTAINER MEANS, FOLLOWER MEANS RESPONSIVE TO MOVEMENT OF SAID
Claim 2
Dependent Claim
77 words
APPARATUS CONNECTABLE TO A STANDARD RECORDER HAVING A WRITING SURFACE RESPONSIVE TO TIME AND A PEN RESPONSIVE TO TEMPERATURE FOR INDICATING THE POINTS AT WHICH MELTING OF A SAMPLE OF MATERIAL STARTS AND COMPLETED COMPRISING, CONTAINER MEANS FOR HOLDING A SAMPLE OF MATERIAL FOR WHICH DETERMINATION OF MELT POINT INFORMATION IS DESIRED, CONTACT MEANS POSITIONABLE IN SAID CONTAINER MEANS SO THAT IT CAN ENGAGE A SAMPLE IN SAID CONTAINER MEANS, FOLLOWER MEANS RESPONSIVE TO MOVEMENT OF SAID
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |