Patent US2280536A successfully refreshed from Google Patents.
US3486410A
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Explosive severance means
Assignee: McDonnell Douglas Corp
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Filing: 1968-04-18
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Granted: 1969-12-30
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Expires: 1988-04-18
Abstract
No abstract record available.
Inventors
- 👤 Victor W Drexelius
- 👤 Edgar R Lake
- 👤 Morry L Schimmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:38
CPC Classifications
F; F42; F42B; F42B15/00; F42B15/36; F42B15/38; F42B3/00; F42B3/087; F42B3/093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3032356A
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US3070018A
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US3119302A
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US3139031A
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US3311056A
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US3362290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |