US2817141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal structure
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1955-08-31
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Granted: 1957-12-24
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Expires: 1975-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:02
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/54; C23C16/545; B; B22; B22D; B22D11/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12708; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AS A NEW ARTICLE OF MANUFACTURE, A COMPOSITE METAL CASTING CONSISTING OF A CONTINUOUS METAL CASTING HAVING A NON-FERROUS METAL COATING GAS PLATED ONTO SAID CASTING WHILE THE SAME IS STILL HOT FROM THE CASTING OPERATION, SAID METAL COATING BEING DEPOSITED UPON THE SURFACE OF SAID CASTING IMMEDIATELY AFTER THE SAME IS CAST AND BEFORE THE HOT CASTING COMES IN CONTACT WITH OXIDIZING ATMOSPHERIC CONDITIONS WHEREBY SAID CONTINUOUS CASTING IS PROVIDED WITH A PROTECTIVE LAYER OF METAL WHICH IS DEPOSITED DIRECTLY ONTO HE UNOXIDIZED METAL SURFACE OF THE CASTING.
Claim 2
Dependent Claim
89 words
AS A NEW ARTICLE OF MANUFACTURE, A COMPOSITE METAL CASTING CONSISTING OF A CONTINUOUS METAL CASTING HAVING A NON-FERROUS METAL COATING GAS PLATED ONTO SAID CASTING WHILE THE SAME IS STILL HOT FROM THE CASTING OPERATION, SAID METAL COATING BEING DEPOSITED UPON THE SURFACE OF SAID CASTING IMMEDIATELY AFTER THE SAME IS CAST AND BEFORE THE HOT CASTING COMES IN CONTACT WITH OXIDIZING ATMOSPHERIC CONDITIONS WHEREBY SAID CONTINUOUS CASTING IS PROVIDED WITH A PROTECTIVE LAYER OF METAL WHICH IS DEPOSITED DIRECTLY ONTO HE UNOXIDIZED METAL SURFACE OF THE CASTING.
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) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |