US2935913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun barrel
Assignee: Olin Corp
•
Filing: 1956-04-24
•
Granted: 1960-05-10
•
Expires: 1976-04-24
Abstract
No abstract record available.
Inventors
- 👤 John L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:26
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/48; F41A21/482; F41A21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A FIREARM BARREL OF THE TYPE FORMED COMPOSITELY OF A RELATIVELY THIN-WALLED METALLIC TUBE COVERED WITH A JACKET OF GLASS REINFORCED RESIN, SAID TUBE BEING FABRICATED OF A METALLIC MATERIAL HAVING PHYSICAL AND HEAT TREAT PROPERTIES OF A GIVEN CHARACTER, ONE END OF SAID TUBE BEING FORMED WITH A SLOPING SHOULDER TERMINATING IN A CHAMBER: THE IMPROVEMENT WHICH EMBRACES A DEVICE FOR CONNECTING THE BARREL TO A RECEIVER COMPRISING A METAL SLEEVE ADAPTED TO RECEIVE THE CHAMBER END OF THE BARREL, SAID SLEEVE ENGAGING SAID TUBE IN A PRESSED FIT AND BEING FABRI-
Claim 2
Dependent Claim
94 words
IN A FIREARM BARREL OF THE TYPE FORMED COMPOSITELY OF A RELATIVELY THIN-WALLED METALLIC TUBE COVERED WITH A JACKET OF GLASS REINFORCED RESIN, SAID TUBE BEING FABRICATED OF A METALLIC MATERIAL HAVING PHYSICAL AND HEAT TREAT PROPERTIES OF A GIVEN CHARACTER, ONE END OF SAID TUBE BEING FORMED WITH A SLOPING SHOULDER TERMINATING IN A CHAMBER: THE IMPROVEMENT WHICH EMBRACES A DEVICE FOR CONNECTING THE BARREL TO A RECEIVER COMPRISING A METAL SLEEVE ADAPTED TO RECEIVE THE CHAMBER END OF THE BARREL, SAID SLEEVE ENGAGING SAID TUBE IN A PRESSED FIT AND BEING FABRI-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |