Patent US3475262A successfully refreshed from Google Patents.
US3475262A
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Spacecraft heat shield construction and method of making same
Assignee: McDonnell Aircraft Corp
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Filing: 1965-09-17
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Granted: 1969-10-28
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Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 John C Sargent
- 👤 James C Blome
- 👤 Walter D Tims
- 👤 John P Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:54
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/52; B64G1/58; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2744042A
Cited
US2655485A
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US2803606A
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US3067469A
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US3345245A
Cited
US3229936A
Cited
US3210233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |