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US3125928A Expired / Lapsed US ⏱️ 0.0 years remaining

Bartels

Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 06:47
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/57; F41A15/00; F41A15/08; F41A15/10; F41A3/00; F41A3/64; F41A3/74

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 133 words
A FIREARM COMPRISING A BARREL, A CLOSING BOLT HAVING A HEAD, A HOLLOW RING COMPOSED OF TWO INDIVIDUAL RINGS, EACH HAVING PERIPHERAL EDGES WITH THE EDGES OF ONE INDIVIDUAL RING CONTACTING THE EDGES OF THE OTHER RING TO FORM A HOLLOW RING SPACE, ONE RING BEING A SEALING RING AND HAVING A TWO-SIDED ANGULAR CONFIGURATION IN CROSS SECTION AND THE OTHER RING BEING A SUPPORTING RING AND HAVING A PLURALITY OF BORES THEREIN TO ADMIT INTO THE HOLLOW RING THE PROPELLANT GASES UPON FIRING THE FIREARM, ONE SIDE OF THE TWO-SIDED ANGULAR CONFIGURATION OF THE SEALING RING ABUTTING AGAINST THE HEAD OF THE CLOSING BOLT, AND A PLURALITY OF PINS PROJECTING INTO THE HEAD AND THE HOLLOW RING IN ONE OF THE TWO INDIVIDUAL RINGS THEREOF IN ORDER TO SUPPORT THE PACKING RING.
Claim 2
Dependent Claim 133 words
A FIREARM COMPRISING A BARREL, A CLOSING BOLT HAVING A HEAD, A HOLLOW RING COMPOSED OF TWO INDIVIDUAL RINGS, EACH HAVING PERIPHERAL EDGES WITH THE EDGES OF ONE INDIVIDUAL RING CONTACTING THE EDGES OF THE OTHER RING TO FORM A HOLLOW RING SPACE, ONE RING BEING A SEALING RING AND HAVING A TWO-SIDED ANGULAR CONFIGURATION IN CROSS SECTION AND THE OTHER RING BEING A SUPPORTING RING AND HAVING A PLURALITY OF BORES THEREIN TO ADMIT INTO THE HOLLOW RING THE PROPELLANT GASES UPON FIRING THE FIREARM, ONE SIDE OF THE TWO-SIDED ANGULAR CONFIGURATION OF THE SEALING RING ABUTTING AGAINST THE HEAD OF THE CLOSING BOLT, AND A PLURALITY OF PINS PROJECTING INTO THE HEAD AND THE HOLLOW RING IN ONE OF THE TWO INDIVIDUAL RINGS THEREOF IN ORDER TO SUPPORT THE PACKING RING.

References Cited (Backward Citations)

US1974986A Cited
US2016227A Cited
FR920296A Cited
US2559564A Cited
US3042246A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-24 1967-09-23 1968-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-24 1971-09-23 1972-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-24 1975-09-23 1976-03-24 $7700.00 Window Closed / Lapsed

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