US3129664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiprojectile cartridge with gas tapping means
Assignee: Individual
•
Filing: 1963-03-14
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Granted: 1964-04-21
•
Expires: 1983-03-14
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:52
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN COOPERATION WITH A GUN BARREL HAVING A CARTRIDGE RECEIVING CHAMBER AND AN AXIAL CONDUIT AND A PLURALITY OF BORES EXTENDING THEREFROM, A CARTRIDGE HAVING A CASE, AN INSERT RECEIVED BY THE FRONT SECTION OF SAID CASE, A PLURALITY OF HOLES EQUAL TO THE NUMBER OF SAID BORES EXTENDING THROUGH SAID INSERT, SAID HOLES BEING ARRANGED SO AS TO BE COAXIALLY ALIGNABLE WITH SAID BORES, A PROJECTILE RECEIVED BY EACH OF SAID HOLES, A COMPARTMENT FORMED IN SAID CASE REARWARDLY OF SAID INSERT FOR RECEIVING A PROPELLENT, A MEANS IN SAID INSERT FOR DISCHARGING GASES AT PEAK PRESSURE FROM THE CARTRIDGE INTO SAID CONDUIT, AND INCLUDING PNEUMATIC MEANS WHICH AID IN RETAINING SAID INSERT IN SAID CASE AGAINST RESIDUAL GAS PRESSURE IN SAID COMPARTMENT DURING EJECTION OF SAID CASE FROM SAID CHAMBER.
Claim 2
Dependent Claim
132 words
IN COOPERATION WITH A GUN BARREL HAVING A CARTRIDGE RECEIVING CHAMBER AND AN AXIAL CONDUIT AND A PLURALITY OF BORES EXTENDING THEREFROM, A CARTRIDGE HAVING A CASE, AN INSERT RECEIVED BY THE FRONT SECTION OF SAID CASE, A PLURALITY OF HOLES EQUAL TO THE NUMBER OF SAID BORES EXTENDING THROUGH SAID INSERT, SAID HOLES BEING ARRANGED SO AS TO BE COAXIALLY ALIGNABLE WITH SAID BORES, A PROJECTILE RECEIVED BY EACH OF SAID HOLES, A COMPARTMENT FORMED IN SAID CASE REARWARDLY OF SAID INSERT FOR RECEIVING A PROPELLENT, A MEANS IN SAID INSERT FOR DISCHARGING GASES AT PEAK PRESSURE FROM THE CARTRIDGE INTO SAID CONDUIT, AND INCLUDING PNEUMATIC MEANS WHICH AID IN RETAINING SAID INSERT IN SAID CASE AGAINST RESIDUAL GAS PRESSURE IN SAID COMPARTMENT DURING EJECTION OF SAID CASE FROM SAID CHAMBER.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |