US3254401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protection and lubrication of metals at high temperatures
Assignee: Corning Glass Works
•
Filing: 1964-07-10
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Granted: 1966-06-07
•
Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dalton
- 👤 Grego Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:22
CPC Classifications
C; C10; C10M; C10M7/00; B; B21; B21C; B21C23/00; B21C23/32; C10M2201/00; C10M2201/12; C10N; C10N2050/00; C10N2050/08; C10N2050/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD OF PROTECTING A METAL BODY FROM OXIDATION WHILE HEATING TO A PREDETERMINED ELEVATED TEMPERATURE WHICH COMPRISES APPLYING TO THE BODY COMPOSITE LAYERS COMPRISING A COATING OF GLASS POWDER WHICH IS ADJACENT TO THE METAL BODY AND WHICH SOFTENS AT A TEMPERATURE LOWER THAN SAID ELEVATED TEMPERATURE AND, OVERLYING SAID LAYER OF GLASS, A FIBROUS REFRACTORY MATERIAL WHICH SOFTENS AT A HIGHER TEMPERATURE THAN THE GLASS POWDER.
Claim 2
Independent Claim
68 words
A METHOD OF PROTECTING A METAL BODY FROM OXIDATION WHILE HEATING TO A PREDETERMINED ELEVATED TEMPERATURE WHICH COMPRISES APPLYING TO THE BODY COMPOSITE LAYERS COMPRISING A COATING OF GLASS POWDER WHICH IS ADJACENT TO THE METAL BODY AND WHICH SOFTENS AT A TEMPERATURE LOWER THAN SAID ELEVATED TEMPERATURE AND, OVERLYING SAID LAYER OF GLASS, A FIBROUS REFRACTORY MATERIAL WHICH SOFTENS AT A HIGHER TEMPERATURE THAN THE GLASS POWDER.
References Cited (Backward Citations)
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US2798286A
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Cited
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |