Patent US4816024A successfully refreshed from Google Patents.
US3485282A
Expired / Lapsed
US
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Expandable insert for solid and cellular structures
Assignee: Raytheon Co
•
Filing: 1968-01-26
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Granted: 1969-12-23
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Expires: 1988-01-26
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Lopez
- 👤 Mark M Frisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:18
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/01; F16B11/00; F16B11/006; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 0
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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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |