US3427185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite structural material incorporating metallic filaments in a matrix,and method of manufacture
Assignee: RTX Corp
•
Filing: 1964-02-19
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Granted: 1969-02-11
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Expires: 1984-02-19
Abstract
No abstract record available.
Inventors
- 👤 Robert G Cheatham
- 👤 Joseph F Cheatham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; C04; C04B; C04B35/00; C04B35/71; C04B35/74; C04B35/76; C22; C22C; C22C47/00; C22C47/16; C23C4/12; C23C4/137; Y; Y10; Y10S; Y10S428/00; Y10S428/902; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/937; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216; Y10T428/12444; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/109
Claims Analysis
Total Claims: 0
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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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |