US3356618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated boron containing material dispersed in a metal matrix
Assignee: International Research and Development Co Ltd
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Filing: 1964-11-23
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Granted: 1967-12-05
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Rich John
- 👤 Arthur George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:52
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/24; B; B22; B22F; B22F1/00; B22F1/18; C; C01; C01B; C01B32/00; C01B32/90; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/32; C23C16/34; C23C16/36; C01P; C01P2004/00; C01P2004/60; C01P2004/61; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A BORON-CONTAINING MATERIAL COMPRISING PARTICLES OF BORON MATERIAL, AN INERT COATING ON EACHOF SAID PARTICLES, AND A METAL MATRIX, SAID COATED PARTICLES BEING DISPERSED IN SAID MATRIX AND SAID INERT COATING PREVENTING REACTION BETWEEN SAID BORON MATERIAL AND THE MATRIX METAL.
Claim 2
Dependent Claim
41 words
A BORON-CONTAINING MATERIAL COMPRISING PARTICLES OF BORON MATERIAL, AN INERT COATING ON EACHOF SAID PARTICLES, AND A METAL MATRIX, SAID COATED PARTICLES BEING DISPERSED IN SAID MATRIX AND SAID INERT COATING PREVENTING REACTION BETWEEN SAID BORON MATERIAL AND THE MATRIX METAL.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |