US3108540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Missiles
Assignee: Individual
•
Filing: 1961-04-26
•
Granted: 1963-10-29
•
Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 Robert F Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:15
CPC Classifications
F; F42; F42B; F42B15/00; F42B15/36; F42B15/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A MISSILE HAVING AN OUTER CASING; A CASING SEVERING MEANS COMPRISING A CARTRIDGE SECURED IN SAID CASING AND COMPRISING END PLATES PERMANENTLY SECURED TO EACH OTHER, A DISK OF EXPLOSIVE MATERIAL EXTENDING ACROSS THE CARTRIDGE AND DESIGNED UPON EXPLOSION TO EFFECT CIRCUMFERENTIAL SEVERANCE OF THE MISSILE CASING, AND IGNITION MEANS CONTACTING SAID DISK AT ITS CENTER; SAID SERVING MEANS BEING IN COMBINATION WITH AXIAL SEPARATION MEANS COMPRISING A COLLAPSIBLE DIAPHRAGM SUPPORTING SAID DISK, FORMED OF MATERIAL SUBSTANTIALLY LIGHTER THAN THAT OF SAID END PLATED AND NORMALLY SEPARATING SAID EXPLOSIVE MATERIAL FROM THE LOWER PLATE BY AN INTERVAL COMPRISING AND EXPANSION CHAMBER FOR THE GASES OF COMBUSTION GENERATED BY EXPLOSION OF SAID MATERIAL AND RELEASED BY COLLAPSE OF A DIAPHRAGM UNDER PRESSURE OF SAID GASSES.
Claim 2
Dependent Claim
125 words
IN A MISSILE HAVING AN OUTER CASING; A CASING SEVERING MEANS COMPRISING A CARTRIDGE SECURED IN SAID CASING AND COMPRISING END PLATES PERMANENTLY SECURED TO EACH OTHER, A DISK OF EXPLOSIVE MATERIAL EXTENDING ACROSS THE CARTRIDGE AND DESIGNED UPON EXPLOSION TO EFFECT CIRCUMFERENTIAL SEVERANCE OF THE MISSILE CASING, AND IGNITION MEANS CONTACTING SAID DISK AT ITS CENTER; SAID SERVING MEANS BEING IN COMBINATION WITH AXIAL SEPARATION MEANS COMPRISING A COLLAPSIBLE DIAPHRAGM SUPPORTING SAID DISK, FORMED OF MATERIAL SUBSTANTIALLY LIGHTER THAN THAT OF SAID END PLATED AND NORMALLY SEPARATING SAID EXPLOSIVE MATERIAL FROM THE LOWER PLATE BY AN INTERVAL COMPRISING AND EXPANSION CHAMBER FOR THE GASES OF COMBUSTION GENERATED BY EXPLOSION OF SAID MATERIAL AND RELEASED BY COLLAPSE OF A DIAPHRAGM UNDER PRESSURE OF SAID GASSES.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |