US2963384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of aluminizing ferrous materials
Assignee: Hubbard and Co
•
Filing: 1959-02-24
•
Granted: 1960-12-06
•
Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Charles J Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:20
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A METHOD OF COATING A FERROUS METAL OBJECT COMPRISING THE STEPS OF PREPARING A FUSED SALT BATH COMPOSED BY WEIGHT OF: PERCENT NACL ------------------------------------------ 35 TO 55 KCL --------------------------------------------- 35 TO 55 NA3ALF6 ----------------------------------------- 5 TO 20 K3CRF6 ------------------------------------------ 0.2 TO 5 MAINTAINING SAID FUSED SALT BATH AT A TEMPERATURE IN THE RANGE OF 1275*F. TO 1400*F., PREPARING A BATH OF MOLTEN METAL OF A CLASS CONSISTING OF ALUMINUM AND OF ALUMINUM BASE ALLOYS, IMMERSING THE FERROUS METAL OBJECT INTO SAID FUSED SALT BATH THEREBY TO FLUX THE SURFACE OF THE OBJECT, TRANSFERRING THE FLUXED FERROUS METAL OBJECT IMMEDIATELY FROM SAID FUSED SALT BATH INTO SAID MOLTEN METAL BATH THEREBY TO COAT THE OBJECT WITH SAID MOLTEN METAL, AND REMOVING THE COATED OBJECT FROM THE MOLTEN METAL BATH RO AMBIENT TEMPERATURE FOR SOLIDIFYING THE COATING TO THE SURFACE OF SAID OBJECT.
Claim 2
Independent Claim
141 words
A METHOD OF COATING A FERROUS METAL OBJECT COMPRISING THE STEPS OF PREPARING A FUSED SALT BATH COMPOSED BY WEIGHT OF: PERCENT NACL ------------------------------------------ 35 TO 55 KCL --------------------------------------------- 35 TO 55 NA3ALF6 ----------------------------------------- 5 TO 20 K3CRF6 ------------------------------------------ 0.2 TO 5 MAINTAINING SAID FUSED SALT BATH AT A TEMPERATURE IN THE RANGE OF 1275*F. TO 1400*F., PREPARING A BATH OF MOLTEN METAL OF A CLASS CONSISTING OF ALUMINUM AND OF ALUMINUM BASE ALLOYS, IMMERSING THE FERROUS METAL OBJECT INTO SAID FUSED SALT BATH THEREBY TO FLUX THE SURFACE OF THE OBJECT, TRANSFERRING THE FLUXED FERROUS METAL OBJECT IMMEDIATELY FROM SAID FUSED SALT BATH INTO SAID MOLTEN METAL BATH THEREBY TO COAT THE OBJECT WITH SAID MOLTEN METAL, AND REMOVING THE COATED OBJECT FROM THE MOLTEN METAL BATH RO AMBIENT TEMPERATURE FOR SOLIDIFYING THE COATING TO THE SURFACE OF SAID OBJECT.
References Cited (Backward Citations)
US2101553A
Cited
US2544671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |