US3434319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beryllium products and method
Assignee: Pechiney SA
•
Filing: 1966-10-13
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Granted: 1969-03-25
•
Expires: 1986-10-13
Abstract
No abstract record available.
Inventors
- 👤 Jean-Marie R Logerot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:54
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/16; B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; B23K20/2333; B23K35/00; B23K35/001; B23K35/002; B32; B32B; B32B15/00; B32B15/01; H; H01; H01B; H01B1/00; H01B1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METALLURGICAL PROCESS FOR THE IMPROVEMENT OF THE MECHANICAL AND PHYSICAL PROPERTIES OF BERYLLIUM PRODUCTS COMPRISING MECHANICALLY PLATING THE BERYLLIUM WITH AT LEAST ONE LAYER OF A PLASTIC METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM, ZINC AND ANTIMONY AT A TEMPERATURE BELOW 620*C. WHILE MECHANICALLY WORKING TO EFFECT A REDUCTION IN CROSS-SECTION OF AT LEAST 50%.
Claim 2
Dependent Claim
58 words
THE METALLURGICAL PROCESS FOR THE IMPROVEMENT OF THE MECHANICAL AND PHYSICAL PROPERTIES OF BERYLLIUM PRODUCTS COMPRISING MECHANICALLY PLATING THE BERYLLIUM WITH AT LEAST ONE LAYER OF A PLASTIC METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM, ZINC AND ANTIMONY AT A TEMPERATURE BELOW 620*C. WHILE MECHANICALLY WORKING TO EFFECT A REDUCTION IN CROSS-SECTION OF AT LEAST 50%.
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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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |