US2992960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature resistant materials containing boron and method of manufacture thereof
Assignee: Individual
•
Filing: 1958-06-18
•
Granted: 1961-07-18
•
Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Kenton J Leeg
- 👤 David A Yeomans
- 👤 Jr William E Ripley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:35
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315; B; B29; B29C; B29C70/00; B29C70/02; B29C70/021; B29C70/025; B32; B32B; B32B27/00; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/47; C04B30/00; C04B30/02; B29K; B29K2309/00; B29K2309/08; B29K2707/00; B29K2707/02; B29K2707/04; C04B2111/00; C04B2111/00474; C04B2111/00612; Y; Y10; Y10S; Y10S60/00; Y10S60/909; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3569; Y10T442/3577
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
THE METHOD OF IMPROVING THE HIGH TEMPERATURE STRENGTH CHARACTERISTICS OF FIBERGLASS LAMINATES WHICH COMPRISES DISPERSING FINELY DIVIDED PARTICLES OF ELEMENTAL BORON IN AN ORGANIC RESIN COMPOSITION, IMPREGNATING A WOVEN FIBERGLASS FABRIC THEREWITH, ASSEMBLING SAID IMPREGNATED FABRIC INTO A LAMINATED MULTI-PLY STRUCTURE, FORMING AND CURING SAID LAMINATE INTO A DESIRED SHAPE, AND SUBJECTING THE RESULTING PRODUCT TO A TEMPERATURE OF AT LEAST 1,300 DEGREES F.
References Cited (Backward Citations)
US2184316A
Cited
US2544320A
Cited
US2636825A
Cited
US2637091A
Cited
US2699415A
Cited
US2835107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |