Patent US5321804A successfully refreshed from Google Patents.
Patent US3087270A successfully refreshed from Google Patents.
US3087270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammunition magazine with a coil spring
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1960-03-21
•
Granted: 1963-04-30
•
Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Stoner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:29
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/61; F41A9/64; F41A9/65; F41A9/70; F42; F42B; F42B39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN AN AMMUNITION MAGAZINE, THE COMBINATION OF: A HOUSING; A FOLLOWER NORMALLY DISPOSED AT THE LOWER EXTREMITY OF SAID HOUSING AND ADAPTED TO ENGAGE THE LOWERMOST OF A PLURALITY OF ROUNDS OF AMMUNITION IN SAID HOUSING; OPERATING MEANS CONNECTED TO THE UNDERSIDE OF SAID FOLLOWER WHICH IS NORMALLY INOPERATIVE WHEN SAID FOLLOWER IS LOCATED AT THE BOTTOM OF SAID HOUSING AND SAID HOUSING IS FULL OF AMMUNITION AND WHICH, WHEN RENDERED OPERATIVE, WILL CAUSE UPWARD MOVEMENT OF SAID FOLLOWER WITHIN SAID HOUSING; ACTUATING MEANS CONNECTED TO SAID OPERATING MEANS FOR RENDERING SAID OPERATING MEANS OPERATIVE; AND A COVER ON SAID HOUSING CONNECTED TO SAID ACTUATING MEANS WHICH, WHEN REMOVED, SIMULTANEOUSLY ENERGIZES SAID OPERATING MEANS.
Claim 2
Dependent Claim
114 words
IN AN AMMUNITION MAGAZINE, THE COMBINATION OF: A HOUSING; A FOLLOWER NORMALLY DISPOSED AT THE LOWER EXTREMITY OF SAID HOUSING AND ADAPTED TO ENGAGE THE LOWERMOST OF A PLURALITY OF ROUNDS OF AMMUNITION IN SAID HOUSING; OPERATING MEANS CONNECTED TO THE UNDERSIDE OF SAID FOLLOWER WHICH IS NORMALLY INOPERATIVE WHEN SAID FOLLOWER IS LOCATED AT THE BOTTOM OF SAID HOUSING AND SAID HOUSING IS FULL OF AMMUNITION AND WHICH, WHEN RENDERED OPERATIVE, WILL CAUSE UPWARD MOVEMENT OF SAID FOLLOWER WITHIN SAID HOUSING; ACTUATING MEANS CONNECTED TO SAID OPERATING MEANS FOR RENDERING SAID OPERATING MEANS OPERATIVE; AND A COVER ON SAID HOUSING CONNECTED TO SAID ACTUATING MEANS WHICH, WHEN REMOVED, SIMULTANEOUSLY ENERGIZES SAID OPERATING MEANS.
References Cited (Backward Citations)
US1314013A
Cited
US1245499A
Cited
FR776859A
Cited
US2338984A
Cited
US2394606A
Cited
US2503116A
Cited
US2777235A
Cited
US2885811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |