Patent US3586499A successfully refreshed from Google Patents.
US3586499A
Expired / Lapsed
US
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Sealing alloy
Assignee: WILBER B DRIVER CO
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Filing: 1968-06-17
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Granted: 1971-06-22
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Expires: 1988-06-17
Abstract
Abstract AN ALLOY USED IN METAL TO GLASS SEALS AND THE LIKE CONTAINING AS PRIMARY CONSTITUENTS, NICKEL, COBALT, AND IRON. IN THIS ALLOY, THE COBALT CONTENT FALLS WITHIN THE RANGE 0.33%-7% BY WEIGHT, THE NICKEL CONTENT FALLS WITH THE RANGE 38.5%-44%, THE SUM OF THE NICKEL PLUS COBALT CONTENT FALLS WITHIN THW RANGE 44.33%-45.5% AND THE SUM OF THE NICKEL PLUS 75% OF THE COBALT CONTENT FALLS WITHIN THE RANGE 43.75%-44.25%.
Inventors
- 👤 Arnold J Gottlieb
- 👤 George A Majesko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:17
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/10; C22C38/105; C03; C03C; C03C27/00; C03C27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |