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US3465998A
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Assignee: McDonnell Douglas Corp
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Filing: 1967-04-28
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Granted: 1969-09-09
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Expires: 1987-04-28
Abstract
No abstract record available.
Inventors
- 👤 David L Ginn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:31
CPC Classifications
B; B64; B64D; B64D9/00; B64D9/003; B60; B60P; B60P7/00; B60P7/06; B60P7/08; B60P7/0807; B60P7/0815; B63; B63B; B63B25/00; B63B25/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2071355A
Cited
US3182608A
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US3093092A
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US3357372A
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US3348502A
Cited
US3306234A
Cited
US3377040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |