Patent US3859921A successfully refreshed from Google Patents.
US3859921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detonator holder
Assignee: Honeywell International Inc
•
Filing: 1973-04-16
•
Granted: 1975-01-14
•
Expires: 1993-04-16
Abstract
Abstract An apparatus for holding an explosive charge in place at the outlet of a gas filled chamber. A holding means which may be provided with a plurality of legs, is provided with a receptacle means to accommodate and keep stationary the explosive charge, against the outlet, inside the chamber. Means are provided on the inside surface of the chamber to accommodate the legs, if provided, to assist in keeping the holding means and thus the explosive charge, stationary.
Inventors
- 👤 Robert L Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:53
CPC Classifications
F; F42; F42C; F42C19/00; F42B; F42B3/00; F42B3/26
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
81 words
An assembly to hold an explosive charge disposed in a gas chamber comprising a body portion provided with at least one opening to accommodate at least one explosive charge; a first wedge means connected to said body portion; and a second wedge means comprising a plurality of legs extending from said body portion, wherein said first wedge means comprises the tapered shape of said body portion having a maximum outer dimension approximately equal to the inside diameter of said gas chamber.
Claim 2
Dependent Claim
81 words
An assembly to hold an explosive charge disposed in a gas chamber comprising a body portion provided with at least one opening to accommodate at least one explosive charge; a first wedge means connected to said body portion; and a second wedge means comprising a plurality of legs extending from said body portion, wherein said first wedge means comprises the tapered shape of said body portion having a maximum outer dimension approximately equal to the inside diameter of said gas chamber.
Claim 3
Dependent Claim
20 words
An assembly in accordance with claim 1, wherein said assembly is provided with two openings to accommodate two explosive charges.
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) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |