US3595705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper-boron-sulfur alloy and method of treatment
Assignee: American Brass Co
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Filing: 1969-06-13
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Granted: 1971-07-27
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Expires: 1989-06-13
Abstract
Abstract A COPPER BORON SULFUR ALLOY CONTAINING MINOR AMOUNTS OF BORON AND SULFUR IS PROVIDED BY THIS INVENTION. WHEN THIS HIGH CONDCUTIVITY ALLOY IS SOLUTION ANNEALED, RAPIDLY COOLED TO ROOM TEMPERATURE AND SUBSEQUENTLY COLD WORKED, IT HAS A HIGH SOFTENING TEMPERATURE.
Inventors
- 👤 Robert S Bray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:30
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/02; H01B1/026; C; C22; C22F; C22F1/00; C22F1/08
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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |