Patent US3367053A successfully refreshed from Google Patents.
US3367053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firearm construction
Assignee: Individual
•
Filing: 1965-06-02
•
Granted: 1968-02-06
•
Expires: 1985-06-02
Abstract
No abstract record available.
Inventors
- 👤 Karl R Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:58
CPC Classifications
F; F41; F41C; F41C3/00; F41C3/14; F41A; F41A21/00; F41A21/02; F41C27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A FIREARM, THE COMBINATION COMPRISING A CAST ONE-PIECE FRAME MEMBER DEFINING A CHAMBER OPEN AT ONE SIDE FOR RECEIVING THE VARIOUS PARTS OF A FIRING MECHANISM, A SIDE PLATE FOR ENCLOSING SAID FIRING MECHANISM CHAMBER, SAID FRAME MEMBER ALSO DEFINING A GENERALLY RECTANGULAR OPENING FOR RECEIVING A CYLINDER, SAID FRAME MEMBER HAVING A FORWARDLY EXTENDING SHROUD PORTION, AND A SEPARATE ONE PIECE BARREL SECURED IN SAID SHROUD PORTION, SAID SHROUD PORTION EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID BARREL, SAID BARREL INCLUDING AT LEAST ONE ANNULAR PORTION DEFINING A FORWARDLY AND A REARWARDLY FACING GENERALLY RADIALLY EXTENDING SURFACE FOR ENGAGING THE MATERIAL OF SAID SHROUD PORTION TO SECURE SAID BARREL AGAINST AXIAL MOVEMENT RELATIVE TO SAID SHROUD PORTION.
Claim 2
Dependent Claim
119 words
IN A FIREARM, THE COMBINATION COMPRISING A CAST ONE-PIECE FRAME MEMBER DEFINING A CHAMBER OPEN AT ONE SIDE FOR RECEIVING THE VARIOUS PARTS OF A FIRING MECHANISM, A SIDE PLATE FOR ENCLOSING SAID FIRING MECHANISM CHAMBER, SAID FRAME MEMBER ALSO DEFINING A GENERALLY RECTANGULAR OPENING FOR RECEIVING A CYLINDER, SAID FRAME MEMBER HAVING A FORWARDLY EXTENDING SHROUD PORTION, AND A SEPARATE ONE PIECE BARREL SECURED IN SAID SHROUD PORTION, SAID SHROUD PORTION EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID BARREL, SAID BARREL INCLUDING AT LEAST ONE ANNULAR PORTION DEFINING A FORWARDLY AND A REARWARDLY FACING GENERALLY RADIALLY EXTENDING SURFACE FOR ENGAGING THE MATERIAL OF SAID SHROUD PORTION TO SECURE SAID BARREL AGAINST AXIAL MOVEMENT RELATIVE TO SAID SHROUD PORTION.
References Cited (Backward Citations)
US2899767A
Cited
US844671A
Cited
US1157666A
Cited
US1285581A
Cited
US1752324A
Cited
US2034632A
Cited
US1965637A
Cited
GB679570A
Cited
US2975677A
Cited
US3163951A
Cited
US3132389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |