US3476529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced iron base alloys containing boron fibers
Assignee: U S Composites Corp
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Filing: 1967-01-11
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Granted: 1969-11-04
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Expires: 1987-01-11
Abstract
No abstract record available.
Inventors
- 👤 Dennis S Dubin
- 👤 Solomon Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:18
CPC Classifications
C; C22; C22C; C22C49/00; C22C49/02; C22C49/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431; Y10T428/12438; Y10T428/12444; Y10T428/12486; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549; Y10T428/12611; Y10T428/12771; Y10T428/12806; Y10T428/29; Y10T428/2913; Y10T428/2916
Claims Analysis
Total Claims: 0
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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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |