Patent US3611808A successfully refreshed from Google Patents.
US3611808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable sand cup and support
Assignee: M-R OHIO Inc A OHIO CORP
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Filing: 1970-02-09
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Granted: 1971-10-12
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Expires: 1990-02-09
Abstract
Abstract A DISPOSABLE SAND CUP AND SUPPORT FOR USE IN CONNECTION WITH MEASURING CARBON CONTENT OF IRON OR STEEL IS DISCLOSED. THE CUP CONTAINS HORIZONTALLY DISPOSED THERMOCOUPLE WIRES WHICH ARE PARTIALLY EXPOSED FOR CONTACT WITH MOVABLE CONTACT PINS ON THE CUP SUPPORT.
Inventors
- 👤 Joseph J Boron
- 👤 Thomas A Lupperger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:50
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02
Claims Analysis
Total Claims: 0
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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) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |