Patent US3336868A successfully refreshed from Google Patents.
US3336868A
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Separation device
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1965-04-02
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Granted: 1967-08-22
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Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Rush
- 👤 Stanley L Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:52
CPC Classifications
F; F42; F42B; F42B15/00; F42B15/36; B; B64; B64G; B64G1/00; B64G1/22; B64G1/64; B64G1/645; B64G1/6455; F42B15/38; B64G1/641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A SEPARATION SYSTEM HAVING PYROTECHNIC MEANS FOR CUTTING THROUGH A STRUCTURE ALONG A SEPARATION LINE, THE IMPROVEMENT COMPRISING: A PLENUM CHAMBER MEANS INCLUDING TWO MEMBERS SECURED TO SAID STRUCTURE ON OPPOSITE SIDES OF SAID SEPARATION LINE AND HAVING OVERLAPPING PORTIONS IN FIRM CONTACT TO PROVIDE A PLENUM CHAMBER FOR CONTAINING DEBRIS AND EXPANDING GASES THAT FORCE APART THE OVERLAPPING PORTIONS, THEREBY PROVIDING AN EXPANDABLE CHAMBER INCREASING IN VOLUME AS THE GAS EXPANDS.
Claim 2
Dependent Claim
72 words
A SEPARATION SYSTEM HAVING PYROTECHNIC MEANS FOR CUTTING THROUGH A STRUCTURE ALONG A SEPARATION LINE, THE IMPROVEMENT COMPRISING: A PLENUM CHAMBER MEANS INCLUDING TWO MEMBERS SECURED TO SAID STRUCTURE ON OPPOSITE SIDES OF SAID SEPARATION LINE AND HAVING OVERLAPPING PORTIONS IN FIRM CONTACT TO PROVIDE A PLENUM CHAMBER FOR CONTAINING DEBRIS AND EXPANDING GASES THAT FORCE APART THE OVERLAPPING PORTIONS, THEREBY PROVIDING AN EXPANDABLE CHAMBER INCREASING IN VOLUME AS THE GAS EXPANDS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |