Patent US3286684A successfully refreshed from Google Patents.
US3286684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cementation coating pack
Assignee: Ling Temco Vought Inc
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Filing: 1962-12-24
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Granted: 1966-11-22
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Expires: 1982-12-24
Abstract
No abstract record available.
Inventors
- 👤 William L Aves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:15
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/28; C23C10/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN COMBINATION WITH A RETORT HAVING WALLS, A CEMENTATION COATING PACK COMPRISING: AT LEAST ON EMETALLIC PART TO BE CEMENTATION COATED AND ENCLOSED IN THE RETORT; A QUANTITY OF PARTICLES OF A SALT WHICH UPON BEING HEATED IS THERMALLY DECOMPOSABLE TO FORM A CARRIER GAS; POWDERED MATERIAL PACKED AROUND AND IN CONTACT WITH THE METALLIC PART, AT LEAST SOME OF THE POWDERED MATERIAL BEING REACTIVE WITH THE CARRIER GAS AND DEPOSITABLE THEREFROM ON THE METALLIC PART; AND A POWDERED, INERT MATERIAL PACKED BETWEEN THE POWDERED MATERIAL IN CONTACT WITH THE METALLIC PART AND THE RETORT WALLS, ALL THE SALT PARTICLES BEING SEGREGATED IN AT LEAST ONE AMASSMENT EMBEDDED IN THE INERT MATERIAL AND SEPARATED FROM THE METALLIC PART BY AT LEAST THE MATERIAL IN CONTACT WITH THE METALLIC PART, THE METALLIC PART BEING SPACED FROM ALL THE SALT PARTICLES AND FREE OF CONTACT THEREWITH.
Claim 2
Dependent Claim
144 words
IN COMBINATION WITH A RETORT HAVING WALLS, A CEMENTATION COATING PACK COMPRISING: AT LEAST ON EMETALLIC PART TO BE CEMENTATION COATED AND ENCLOSED IN THE RETORT; A QUANTITY OF PARTICLES OF A SALT WHICH UPON BEING HEATED IS THERMALLY DECOMPOSABLE TO FORM A CARRIER GAS; POWDERED MATERIAL PACKED AROUND AND IN CONTACT WITH THE METALLIC PART, AT LEAST SOME OF THE POWDERED MATERIAL BEING REACTIVE WITH THE CARRIER GAS AND DEPOSITABLE THEREFROM ON THE METALLIC PART; AND A POWDERED, INERT MATERIAL PACKED BETWEEN THE POWDERED MATERIAL IN CONTACT WITH THE METALLIC PART AND THE RETORT WALLS, ALL THE SALT PARTICLES BEING SEGREGATED IN AT LEAST ONE AMASSMENT EMBEDDED IN THE INERT MATERIAL AND SEPARATED FROM THE METALLIC PART BY AT LEAST THE MATERIAL IN CONTACT WITH THE METALLIC PART, THE METALLIC PART BEING SPACED FROM ALL THE SALT PARTICLES AND FREE OF CONTACT THEREWITH.
References Cited (Backward Citations)
US2801187A
Cited
US3096160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |