Patent US2891307A successfully refreshed from Google Patents.
US2891307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of hot working heat-resistant metal articles
Assignee: Huntington Alloys Corp
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Filing: 1955-05-18
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Granted: 1959-06-23
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Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Betteridge Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:00
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/14; B21C23/16; B23; B23P; B23P15/00; B23P15/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339; Y10T29/49341; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR THE PRODUCTION OF HEAT-RESISTANT METAL ARTICLES FROM HEAT-RESISTANCE METAL WHICH COMPRISES PROVIDING A HEAT-RESISTANT METAL BILLET HAVING AT LEAST ONE HOLE THEREIN, FILLING SAID HOLE WITH A STEEL FILLER CONTAINING ABOUT 5% TO ABOUT 20% MANGANESE, ABOUT 1% TO ABOUT 10% TITANIUM, UP TO ABOUT 0.5% CARBON, WITH THE BALANCE ESSENTIALLY IRON, SAID FILLER HAVING A DEFORMABILITY FACTOR WITH RESPECT TO SAID HEAT-RESISTANT METAL OF ABOUT 1 TO ABOUT 1.2 AND BEING SELECTIVELY SOLUBLE WITH RESPECT TO SAID HEAT-RESISTANCE METAL, HOT WORKING THE FILLED HEAT-RESISTANT METAL BILLET TO PROVIDE A FILLED HEAT-RESISTANT METAL ARTICLE BLANK AND THEREAFTER SELECTIVELY DISSOLVING SIAD FILLER FROM SAID HEAT-RESISTANT METAL.
Claim 2
Dependent Claim
108 words
A PROCESS FOR THE PRODUCTION OF HEAT-RESISTANT METAL ARTICLES FROM HEAT-RESISTANCE METAL WHICH COMPRISES PROVIDING A HEAT-RESISTANT METAL BILLET HAVING AT LEAST ONE HOLE THEREIN, FILLING SAID HOLE WITH A STEEL FILLER CONTAINING ABOUT 5% TO ABOUT 20% MANGANESE, ABOUT 1% TO ABOUT 10% TITANIUM, UP TO ABOUT 0.5% CARBON, WITH THE BALANCE ESSENTIALLY IRON, SAID FILLER HAVING A DEFORMABILITY FACTOR WITH RESPECT TO SAID HEAT-RESISTANT METAL OF ABOUT 1 TO ABOUT 1.2 AND BEING SELECTIVELY SOLUBLE WITH RESPECT TO SAID HEAT-RESISTANCE METAL, HOT WORKING THE FILLED HEAT-RESISTANT METAL BILLET TO PROVIDE A FILLED HEAT-RESISTANT METAL ARTICLE BLANK AND THEREAFTER SELECTIVELY DISSOLVING SIAD FILLER FROM SAID HEAT-RESISTANT METAL.
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) | 1962-06-22 | 1962-12-22 | 1963-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-22 | 1966-12-22 | 1967-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-22 | 1970-12-22 | 1971-06-23 | $7700.00 | Window Closed / Lapsed |