US Patent No: 6,497,065
Number of patents in Portfolio can not be more than 2000
Firearm barrel having protective sleeve
Stats
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Dec 24, 2002
Issued date -
May 14, 1999
filing date -
09/312,205
serial no -
Expired
status
Importance
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Abstract
A firearm barrel has components made of different materials. The barrel includes an elongate metal insert member. A rigid sleeve surrounds the insert member along a majority of the length of the insert member. A casing is located around at least a portion of the sleeve.
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First Claim
Related Publications
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International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,769,938 Composite barrel construction made using injection molding | 30 | 1987 | |
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| 5,692,334 Primarily independent composite/metallic gun barrel | 14 | 1995 | |
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| 5,600,912 Composite tube for a gun barrel | 24 | 1995 | |
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| 4,841,836 Thermal shroud for a gun tube | 15 | 1987 | |
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| 5,581,928 Gun barrel having an erosion-reducing lining | 8 | 1995 | |
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| 6,189,431 Small caliber gun barrel | 11 | 1998 | |
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| 4,685,236 Graphite/metal matrix gun barrel | 31 | 1984 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 24, 2014 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |