US2997783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of applying nickel phosphorus coatings upon base metal bodies
Assignee: General American Transportation Corp
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Filing: 1957-08-22
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Granted: 1961-08-29
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Expires: 1977-08-22
Abstract
No abstract record available.
Inventors
- 👤 William J Crehan
- 👤 Walter F Klouse
- 👤 Talmey Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:50
CPC Classifications
C; C23; C23C; C23C28/00; C23C28/02; C23C28/021; C23C28/026; C23C28/027; C25; C25B; C25B11/00; C25B11/04; C25B11/051; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE METHOD OF REPAIRING A HOLE, OR OTHER BREAK, IN A COATING THAT HAS BEEN CHEMICALLY DEPOSITED UPON A METAL SUPPORT FROM A PLATING BATH OF THE NICKEL CATION-HYPOPHOSPHITE ANION TYPE, WHICH METHOD COMPRISES CLEANING BOTH THE SURFACE OF SAID METAL SUPPORT EXPOSED THROUGH THE HOLE IN SAID COATING AND THE ADJACENT SURFACE OF SAID COATING SURROUNDING THE HOLE THEREIN, AND APPLYING A MELT OF NICKEL-PHOSPHORUS MATERIAL IN THE HOLE IN SAID COATING AND UPON SAID CLEANED SURFACES, SAID MATERIAL COMPRISING ABOUT 88 TO 94% NICKEL AND 6 TO 12% PHOSPHORUS BY WEIGHT, WHEREBY UPON SUBSEQUENT COOLING AND SOLIDIFYING OF SAID MELT A NICKEL-PHOSPHORUS ALLOY PATCH IS PROVIDED THAT IS INTIMATELY BONDED TO SAID CLEANED SURFACES, SAID ALLOY BEING CHARACTERIZED BY AN EUTECTIC COMPOSITION COMPRISING CONSTITUENTS CONTAINING ABOUT 89% NICKEL AND 11% PHOSPHORUS BY WEIGHT AND HAVING AN EUTECTIC TEMPERATURE OF ABOUT 880*C.
Claim 2
Independent Claim
143 words
THE METHOD OF REPAIRING A HOLE, OR OTHER BREAK, IN A COATING THAT HAS BEEN CHEMICALLY DEPOSITED UPON A METAL SUPPORT FROM A PLATING BATH OF THE NICKEL CATION-HYPOPHOSPHITE ANION TYPE, WHICH METHOD COMPRISES CLEANING BOTH THE SURFACE OF SAID METAL SUPPORT EXPOSED THROUGH THE HOLE IN SAID COATING AND THE ADJACENT SURFACE OF SAID COATING SURROUNDING THE HOLE THEREIN, AND APPLYING A MELT OF NICKEL-PHOSPHORUS MATERIAL IN THE HOLE IN SAID COATING AND UPON SAID CLEANED SURFACES, SAID MATERIAL COMPRISING ABOUT 88 TO 94% NICKEL AND 6 TO 12% PHOSPHORUS BY WEIGHT, WHEREBY UPON SUBSEQUENT COOLING AND SOLIDIFYING OF SAID MELT A NICKEL-PHOSPHORUS ALLOY PATCH IS PROVIDED THAT IS INTIMATELY BONDED TO SAID CLEANED SURFACES, SAID ALLOY BEING CHARACTERIZED BY AN EUTECTIC COMPOSITION COMPRISING CONSTITUENTS CONTAINING ABOUT 89% NICKEL AND 11% PHOSPHORUS BY WEIGHT AND HAVING AN EUTECTIC TEMPERATURE OF ABOUT 880*C.
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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) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |