Patent US3256072A successfully refreshed from Google Patents.
US3256072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasion resistant materials
Assignee: US Borax Inc
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Filing: 1962-09-07
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Granted: 1966-06-14
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Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Bull George Herbert
- 👤 Timms Peter Leslie
- 👤 Heath Thornton
- 👤 Wood Anthony Arthur Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:42
CPC Classifications
H; H01; H01B; H01B1/00; C; C22; C22C; C22C29/00; C22C29/14; C22C32/00; C22C32/0047; C22C32/0073; C22C5/00; C22C9/00; C25; C25C; C25C3/00; C25C3/06; C25C3/08; C25C3/12; C25C3/125; C25C7/00; C25C7/02; C25C7/025; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/932; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12576; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A COMPOSITE COMPRISING A BORON-BASED ABRASIONRESISTANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE METAL BORIDES, BORON CARBIDE, BORON PHOSPHIDE, BORON ARSENIDE, BORON SILICIDE AND BORON, DIRECTLY BONDED TO AN ALLOY SELECTED FROM THE CLASS CONSISTING OF BORONCOPPER AND BORON-SILVER, THE ALLOY BONDING AGENT REPRESENTING A MINOR PORTION OF SAID COMPOSITE, IN WHICH SAID ALLOY CONSISTS OF FROM 0.1% TO 10% BY WEIGHT OF BORON, AND THE BALANCE IS A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND SILVER.
Claim 2
Dependent Claim
80 words
A COMPOSITE COMPRISING A BORON-BASED ABRASIONRESISTANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE METAL BORIDES, BORON CARBIDE, BORON PHOSPHIDE, BORON ARSENIDE, BORON SILICIDE AND BORON, DIRECTLY BONDED TO AN ALLOY SELECTED FROM THE CLASS CONSISTING OF BORONCOPPER AND BORON-SILVER, THE ALLOY BONDING AGENT REPRESENTING A MINOR PORTION OF SAID COMPOSITE, IN WHICH SAID ALLOY CONSISTS OF FROM 0.1% TO 10% BY WEIGHT OF BORON, AND THE BALANCE IS A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND SILVER.
References Cited (Backward Citations)
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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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |