US2659252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of light metals
Assignee: Alcoa Corp
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Filing: 1952-05-09
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Granted: 1953-11-17
•
Expires: 1972-05-09
Abstract
No abstract record available.
Inventors
- 👤 Egbert M Kipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:19
CPC Classifications
C; C10; C10M; C10M173/00; B; B21; B21B; B21B45/00; B21B45/02; B21B45/0239; B21B45/0242; C10M2201/00; C10M2201/02; C10M2201/087; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/044; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/08; C10M2215/082; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2227/00; C10M2227/06; C10M2227/063; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01; C10N2050/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A PROCESS OF SHAPING THE LIGHT METALS, ALUMINUM, MAGNESIUM AND ALLOYS CONTAINING AT LEAST 70% BY WEIGHT OF ONE OF SUCH METALS, IN WHICH THE LIGHT METAL IS WORKED, DEFORMED, CUT OR OTHERWISE ALTERED IN SIZE OR SECTION BY THE ACTION OF A TOOL, THE IMPROVEMENT CONSISTING IN CONTROLLING TOOL CONTAMINATION AND THE EFFECTS THEREOF BY SUPPLYING AT THE INTERFACE OF THE TOOL AND LIGHT METAL A COMPOSITION CONTAINING A STABLE SUBSTANCE, THE ESSENTIAL ACTIVE CONSTITUENT OF WHICH IS A BORON-FLUORINE COMBINATION SELECTED FROM THE GROUP CONSISTING OF BF3 AND BF4, IN AN AMOUNT SUFFICIENT TO PROVIDE AT LEAST 0.01% BY WEIGHT OF SAID BORON-FLUORINE COMBINATION WITH RESPECT TO THE TOTAL WEIGHT OF THE COMPOSITION APPLIED TO THE LIGHT METAL-TOOL INTERFACE, SAID SUBSTANCE BEING SELECTED FROM THE GROUP CONSISTING OF MBF4, RHBF4 AND X.BF3, WHERE M REPRESENTS AN ELEMENT OR RADICAL SELECTED FROM THE GROUP CONSISTING OF THE METALS AND THE AMMONIUM RADICAL, R REPRESENTS A BASIC NITROGEN-CONTAINING ORGANIC COMPOUND AND X REPRE-
Claim 2
Dependent Claim
164 words
IN A PROCESS OF SHAPING THE LIGHT METALS, ALUMINUM, MAGNESIUM AND ALLOYS CONTAINING AT LEAST 70% BY WEIGHT OF ONE OF SUCH METALS, IN WHICH THE LIGHT METAL IS WORKED, DEFORMED, CUT OR OTHERWISE ALTERED IN SIZE OR SECTION BY THE ACTION OF A TOOL, THE IMPROVEMENT CONSISTING IN CONTROLLING TOOL CONTAMINATION AND THE EFFECTS THEREOF BY SUPPLYING AT THE INTERFACE OF THE TOOL AND LIGHT METAL A COMPOSITION CONTAINING A STABLE SUBSTANCE, THE ESSENTIAL ACTIVE CONSTITUENT OF WHICH IS A BORON-FLUORINE COMBINATION SELECTED FROM THE GROUP CONSISTING OF BF3 AND BF4, IN AN AMOUNT SUFFICIENT TO PROVIDE AT LEAST 0.01% BY WEIGHT OF SAID BORON-FLUORINE COMBINATION WITH RESPECT TO THE TOTAL WEIGHT OF THE COMPOSITION APPLIED TO THE LIGHT METAL-TOOL INTERFACE, SAID SUBSTANCE BEING SELECTED FROM THE GROUP CONSISTING OF MBF4, RHBF4 AND X.BF3, WHERE M REPRESENTS AN ELEMENT OR RADICAL SELECTED FROM THE GROUP CONSISTING OF THE METALS AND THE AMMONIUM RADICAL, R REPRESENTS A BASIC NITROGEN-CONTAINING ORGANIC COMPOUND AND X REPRE-
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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |