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US2737293A
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Vitreous lubricated metal hot-working
Assignee: Bridgeport Brass Co
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Filing: 1953-03-23
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Granted: 1956-03-06
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Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 Paul J Beliveau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:39
CPC Classifications
C; C10; C10M; C10M103/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/12; C10M2201/123; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/242; C10N2040/244; C10N2040/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR WORKING HOT METAL UNDER PRESSURE AGAINST A SURFACE WITH A VITREOUS LUBRICANT THEREBETWEEN, INCLUDING POSITIONING MATERIAL BETWEEN THE LUBRICANT AND SURFACE WHIC RETARDS THE BONDING OF THE LUBRICANT TO THE SURFACE, AND WORKING THE HOT METAL UNDER PRESSURE AGAINST THE SURFACE.
Claim 2
Dependent Claim
44 words
A PROCESS FOR WORKING HOT METAL UNDER PRESSURE AGAINST A SURFACE WITH A VITREOUS LUBRICANT THEREBETWEEN, INCLUDING POSITIONING MATERIAL BETWEEN THE LUBRICANT AND SURFACE WHIC RETARDS THE BONDING OF THE LUBRICANT TO THE SURFACE, AND WORKING THE HOT METAL UNDER PRESSURE AGAINST THE SURFACE.
References Cited (Backward Citations)
CA479483A
Cited
US2038215A
Cited
US2112632A
Cited
US2335933A
Cited
US2538917A
Cited
US2469473A
Cited
US2630220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |