Patent US3444813A successfully refreshed from Google Patents.
US3444813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier for fin stabilized projectiles
Assignee: United States Department of the Army
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Filing: 1954-03-16
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Granted: 1969-05-20
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Expires: 1974-03-16
Abstract
No abstract record available.
Inventors
- 👤 John R Bird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:27
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/56; F42B12/58; F42B12/62; F42B12/64; F42B5/00; F42B5/02; F42B5/03; F42B7/00; F42B7/02; F42B7/04; Y; Y10; Y10S; Y10S102/00; Y10S102/703
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A CANISTER CARTRIDGE COMPRISING A CASING HAVING A CLOSED REAR END, A BASE FITTING SAID CASING TO CONFINE A PROPELLENT CHARGE IN SAID REAR END, FIRST AND SECOND DISCRETE SEMI-CYLINDRICAL SECTIONS FITTING SAID CASING AND ABUTTING SAID BASE, A FRUSTO-CONICAL SHAPED CLUSTER OF FINNED MISSILES FITTING WITHIN THE CHAMBER JOINTLY FORMED BY SAID SECTIONS, SAID SECTIONS HAVING INWARDLY THICKENED PORTIONS JOINTLY DEFINING AN INTERNAL CIRCUMFERENTIAL BAND ENCIRCLING AND CONFINING SAID MISSILES FORWARDLY OF THE FINS THEREOF TO FORM SAID FRUSTO-CONICAL CLUSTER.
Claim 2
Dependent Claim
81 words
A CANISTER CARTRIDGE COMPRISING A CASING HAVING A CLOSED REAR END, A BASE FITTING SAID CASING TO CONFINE A PROPELLENT CHARGE IN SAID REAR END, FIRST AND SECOND DISCRETE SEMI-CYLINDRICAL SECTIONS FITTING SAID CASING AND ABUTTING SAID BASE, A FRUSTO-CONICAL SHAPED CLUSTER OF FINNED MISSILES FITTING WITHIN THE CHAMBER JOINTLY FORMED BY SAID SECTIONS, SAID SECTIONS HAVING INWARDLY THICKENED PORTIONS JOINTLY DEFINING AN INTERNAL CIRCUMFERENTIAL BAND ENCIRCLING AND CONFINING SAID MISSILES FORWARDLY OF THE FINS THEREOF TO FORM SAID FRUSTO-CONICAL CLUSTER.
References Cited (Backward Citations)
US212170A
Cited
US1195107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |