Patent US5597737A successfully refreshed from Google Patents.
Patent US3261121A successfully refreshed from Google Patents.
US3261121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun barrel with explosively welded liner
Assignee: Individual
•
Filing: 1961-10-13
•
Granted: 1966-07-19
•
Expires: 1981-10-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Eves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:53
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/02; F41A21/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A GUN BARREL COMPRISING A CASING PROVIDED WITH AN AXIAL BORE, GROOVED RIFLING FORMED IN SAID BORE, AND A PROTECTIVE CLADDING FOR SAID BORE CONSISTING OF A TUBE EXPLOSIVELY WELDED TO SAID CASING INTO CONFORMATION WITH SAID BORE ALONG THE ENTIRE INTERFACES OF SAID TUBE AND BORE, THE INTERIOR SURFACE OF SAID CLADDING HAVING THE CONFIGURATION OF SAID RIFLING.
Claim 2
Dependent Claim
59 words
A GUN BARREL COMPRISING A CASING PROVIDED WITH AN AXIAL BORE, GROOVED RIFLING FORMED IN SAID BORE, AND A PROTECTIVE CLADDING FOR SAID BORE CONSISTING OF A TUBE EXPLOSIVELY WELDED TO SAID CASING INTO CONFORMATION WITH SAID BORE ALONG THE ENTIRE INTERFACES OF SAID TUBE AND BORE, THE INTERIOR SURFACE OF SAID CLADDING HAVING THE CONFIGURATION OF SAID RIFLING.
References Cited (Backward Citations)
CH4095A
Cited
US1742417A
Cited
US2038304A
Cited
US2373405A
Cited
US2792657A
Cited
GB743111A
Cited
US2687591A
Cited
US2736118A
Cited
US3025765A
Cited
US2780019A
Cited
US2850828A
Cited
US3024526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |