US3353932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite material and method for making same
Assignee: RAND Corporation
•
Filing: 1965-04-05
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Granted: 1967-11-21
•
Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Francis R Shanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:21
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10T; Y10T428/00; Y10T428/25; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A COMPOSITE ARTICLE WHICH COMPRISES: A MULTIPLICITY OF CLOSELY SPACED PSEUDO-CRYSTALS GENERALLY RANDOMLY ORIENTED WITH RESPECT TO EACH OTHER, EACH OF SAID PSEUDO-CRYSTALS COMPRISING LESS THAN ABOUT 1% OF THE TOTAL VOLUME OF THE COMPOSITE ARTICLE AND COMPRISING A PLURALITY OF BONDED PLANES OF ALTERNATING MATERIALS, EACH PLANE OF MATERIAL BEING GENERALLY PARALLEL TO THE OTHER WITHIN EACH OF SAID PSEUDOCRYSTALS, AND ONE PLANE OF MATERIAL BEING COMPOSED OF A RELATIVELY BRITTLE MATERIAL AND THE ADJACENT PLANE OF ALTERNATING MATERIAL BEING COMPOSED OF A MORE DUCTILE MATERIAL; AND SAID MORE DUCTILE MATERIAL OCCUPYING THE SPACES BETWEEN SAID PSEUDO-CRYTALS AND BONDING SAID PSEUDO-CRYSTALS TOGETHER, WHEREBY THE COMPOSITE ARTICLE IS SUBSTANTIALLY MORE DUCTILE THAN SAID RELATIVELY BRITTLE MATERIAL.
Claim 2
Dependent Claim
116 words
A COMPOSITE ARTICLE WHICH COMPRISES: A MULTIPLICITY OF CLOSELY SPACED PSEUDO-CRYSTALS GENERALLY RANDOMLY ORIENTED WITH RESPECT TO EACH OTHER, EACH OF SAID PSEUDO-CRYSTALS COMPRISING LESS THAN ABOUT 1% OF THE TOTAL VOLUME OF THE COMPOSITE ARTICLE AND COMPRISING A PLURALITY OF BONDED PLANES OF ALTERNATING MATERIALS, EACH PLANE OF MATERIAL BEING GENERALLY PARALLEL TO THE OTHER WITHIN EACH OF SAID PSEUDOCRYSTALS, AND ONE PLANE OF MATERIAL BEING COMPOSED OF A RELATIVELY BRITTLE MATERIAL AND THE ADJACENT PLANE OF ALTERNATING MATERIAL BEING COMPOSED OF A MORE DUCTILE MATERIAL; AND SAID MORE DUCTILE MATERIAL OCCUPYING THE SPACES BETWEEN SAID PSEUDO-CRYTALS AND BONDING SAID PSEUDO-CRYSTALS TOGETHER, WHEREBY THE COMPOSITE ARTICLE IS SUBSTANTIALLY MORE DUCTILE THAN SAID RELATIVELY BRITTLE MATERIAL.
References Cited (Backward Citations)
US3047409A
Cited
US3089196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |