Patent US2111496A successfully refreshed from Google Patents.
US2806129A
Expired / Lapsed
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Tungsten carbide weld rods
Assignee: Coast Metals Inc
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Filing: 1956-04-24
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Granted: 1957-09-10
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Expires: 1976-04-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Cape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:37
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/32; B23K35/327; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A WELD ROD FOR HARD FACING AND THE LIKE, SAID ROD COMPRISING A FERROUS TUBE CONTAINING, AS A FILLER, PARTICLES OF TUNGSTEN CARBIDE, AND PARTICLES OF COPPER, THE COPPER CONSTITUTING ABOUT 1% TO ABOUT 10% BY WEIGHT OF THE FILLED TUBE.
Claim 2
Dependent Claim
41 words
A WELD ROD FOR HARD FACING AND THE LIKE, SAID ROD COMPRISING A FERROUS TUBE CONTAINING, AS A FILLER, PARTICLES OF TUNGSTEN CARBIDE, AND PARTICLES OF COPPER, THE COPPER CONSTITUTING ABOUT 1% TO ABOUT 10% BY WEIGHT OF THE FILLED TUBE.
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) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |