Patent US2010018A successfully refreshed from Google Patents.
Patent US3676946A successfully refreshed from Google Patents.
US3676946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-part cartridge magazine
Assignee: Individual
•
Filing: 1969-11-24
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Granted: 1972-07-18
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Expires: 1989-11-24
Abstract
Abstract A two-pat cartridge magazine comprises a first part in the form of a head unit, and a second part in the form of a container unit wherein the head unit is removably mounted on the container unit so as to be usable on each of a plurality of container units.
Inventors
- 👤 Alfred F Sibilia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:21
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/61; F41A9/64; F41A9/65
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
163 words
A cartridge magazine including: a container unit for storing a plurality of cartridges, and a head unit replaceably mounted on the container unit for successive use with several thereof, the head unit including a pair of lips adapted for releasably holding the cartridges in the magazine and positioning the topmost of the cartridges for extraction therefrom when the head unit is mounted on the container unit, the container unit being of unitary construction having a sole opening in the top thereof, and including a spring-biased follower mounted in the container unit for pressing the cartridges therein upwardly toward such opening, the follower including a tab extending from each of the opposite ends thereof for reception by an accommodating groove in the container unit and thereby permitting controlled sliding displacement of the follower therein, and a wall terminating the top of each groove, the walls being positioned to prevent displacement of the follower from the container unit by contact of the respective tabs therewith.
Claim 2
Dependent Claim
163 words
A cartridge magazine including: a container unit for storing a plurality of cartridges, and a head unit replaceably mounted on the container unit for successive use with several thereof, the head unit including a pair of lips adapted for releasably holding the cartridges in the magazine and positioning the topmost of the cartridges for extraction therefrom when the head unit is mounted on the container unit, the container unit being of unitary construction having a sole opening in the top thereof, and including a spring-biased follower mounted in the container unit for pressing the cartridges therein upwardly toward such opening, the follower including a tab extending from each of the opposite ends thereof for reception by an accommodating groove in the container unit and thereby permitting controlled sliding displacement of the follower therein, and a wall terminating the top of each groove, the walls being positioned to prevent displacement of the follower from the container unit by contact of the respective tabs therewith.
Claim 3
Dependent Claim
67 words
The magazine as defined in claim 1, and including a cover for the container unit, channels in the container unit for slidingly mounting the cover thereon for retaining cartridges therein, and tongue portions on the head unit received by the channels for slidingly mounting the head unit on the container unit and providing for simultaneous removal of the cover therefrom during installation at the head unit thereon.
Claim 4
Dependent Claim
49 words
The magazine as defined in claim 2 and including a flange depending from the head unit for contact with the container unit for properly locating the head unit relative thereto and preventing displacement of the head unit relative to the container unit as cartridges are stripped from the magazine.
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |