US2759419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Igniter cartridge
Assignee: Olin Corp
•
Filing: 1952-08-20
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Granted: 1956-08-21
•
Expires: 1972-08-20
Abstract
No abstract record available.
Inventors
- 👤 Aaron L Hitchens
- 👤 Jr Harold Edward Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:15
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/0823; F42C19/0826; F42B; F42B3/00; F42B3/10; F42C19/0819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN AN IGNITER CARTRIDGE HAVING A SHELL WITH HEAD AND A PRIMER IN THE HEAD, THE COMBINATION OF A SLOWBURNING POWDER BASE CHARGE IS INTERPOSED BETWEEN THE SHELL OF WHICH THE BASE CHARGE IS INTERPOSED BETWEEN THE SHELL HEAD AND IGNITION CHARGE AND HAS AN INTERNAL PASSAGE THROUGH WHICH THE FLASH FROM THE PRIMER WILL PASS DIRECTLY TO THE IGNITION CHARGE, AND THE LATTER IS ADAPTED TO IGNITE SAID BASE CHARGE; A CLOSURE FOR SAID SHELL; AND AN ELONGATED INSERT OF COMBUSTIBLE METAL EXTENDING IN SAID BASE CHARGE SUBSTANTIALLY THROUGH THE LONGITUDINAL EXPANSE OF THE LATTER AND ADAPTED TO BE MELTED AND CARRIED OFF AS GLOBULES BY THE FLAME FROM THE FIRED CARTRIDGE.
Claim 2
Dependent Claim
113 words
IN AN IGNITER CARTRIDGE HAVING A SHELL WITH HEAD AND A PRIMER IN THE HEAD, THE COMBINATION OF A SLOWBURNING POWDER BASE CHARGE IS INTERPOSED BETWEEN THE SHELL OF WHICH THE BASE CHARGE IS INTERPOSED BETWEEN THE SHELL HEAD AND IGNITION CHARGE AND HAS AN INTERNAL PASSAGE THROUGH WHICH THE FLASH FROM THE PRIMER WILL PASS DIRECTLY TO THE IGNITION CHARGE, AND THE LATTER IS ADAPTED TO IGNITE SAID BASE CHARGE; A CLOSURE FOR SAID SHELL; AND AN ELONGATED INSERT OF COMBUSTIBLE METAL EXTENDING IN SAID BASE CHARGE SUBSTANTIALLY THROUGH THE LONGITUDINAL EXPANSE OF THE LATTER AND ADAPTED TO BE MELTED AND CARRIED OFF AS GLOBULES BY THE FLAME FROM THE FIRED CARTRIDGE.
References Cited (Backward Citations)
US2090608A
Cited
US2436305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |