Patent US5278077A successfully refreshed from Google Patents.
Patent US3032386A successfully refreshed from Google Patents.
US3032386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of steam for the protection of certain metal parts
Assignee: General Electric Co
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Filing: 1959-12-24
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Granted: 1962-05-01
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 William H Smith
- 👤 Herbert E Grenoble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:29
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD OF UTILIZING A METAL TAKEN FROM THE CLASS CONSISTING OF MOLYBDENUM, TUNGSTEN AND THEIR ALLOYS AT TEMPERATURES IN EXCESS OF ABOUT 1000*F. IN A STEAM ATMOSPHERE WHICH COMPRISES, PROVIDING HYDROGEN IN THE ATMOSPHERE TO WHICH SAID METAL PARTS ARE EXPOSED, AND LIMITING THE QUANTITY OF HYDROGEN TO PREVENT FORMATION OF THE TRIOXIDE OF THESE METALS AND TO PERMIT FORMATION OF THE DIOXIDE OF THESE METALS.
Claim 2
Independent Claim
67 words
A METHOD OF UTILIZING A METAL TAKEN FROM THE CLASS CONSISTING OF MOLYBDENUM, TUNGSTEN AND THEIR ALLOYS AT TEMPERATURES IN EXCESS OF ABOUT 1000*F. IN A STEAM ATMOSPHERE WHICH COMPRISES, PROVIDING HYDROGEN IN THE ATMOSPHERE TO WHICH SAID METAL PARTS ARE EXPOSED, AND LIMITING THE QUANTITY OF HYDROGEN TO PREVENT FORMATION OF THE TRIOXIDE OF THESE METALS AND TO PERMIT FORMATION OF THE DIOXIDE OF THESE METALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |