Patent US3125928A successfully refreshed from Google Patents.
US3125928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bartels
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:02
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)
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 |