US2862844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite brazing material
Assignee: Daystrom Inc
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Filing: 1954-12-09
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Granted: 1958-12-02
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Expires: 1974-12-09
Abstract
No abstract record available.
Inventors
- 👤 Robert T Luedeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:47
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0222; B23K35/0227; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; B23K35/304; B23K35/32; B23K35/327; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12097; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
COMPOSITE BRAZING MATERIAL CONSISTING ESSENTIALLY OF A NICKEL TUBE FILLED WITH POWDERED CHROMIUM BORIDE, WHEREIN THE RATIO BY VOLUME OF NICKEL TO THE POWDERED BORIDE IS ABOUT 62:38.
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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |