US3498929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced carbonaceous bodies
Assignee: Boeing North American Inc
•
Filing: 1967-07-06
•
Granted: 1970-03-03
•
Expires: 1987-07-06
Abstract
No abstract record available.
Inventors
- 👤 Oliver E Accountius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
D; D01; D01F; D01F11/00; D01F11/10; D01F11/12; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/524; C04B35/528; C04B35/71; C04B35/74; C04B35/76; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/20; D01F9/24; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1198873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |