US2868639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic composition
Assignee: Wall Colmonoy Corp
•
Filing: 1955-10-06
•
Granted: 1959-01-13
•
Expires: 1975-10-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Homer S Gonser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:32
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; B23K35/304; C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN ALLOY FOR HARD SURFACING COMPOSED OF 7% TO 17% CHROMIUM; 1% TO 4.5% BORON; 1% TO 5.5% SILICON; 0.10% TO 5.5% IRON; AND 6% TO 20% OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM; 0.05% TO 2.5% CARBON; THE REMAINDER NICKEL AND INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
51 words
AN ALLOY FOR HARD SURFACING COMPOSED OF 7% TO 17% CHROMIUM; 1% TO 4.5% BORON; 1% TO 5.5% SILICON; 0.10% TO 5.5% IRON; AND 6% TO 20% OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM; 0.05% TO 2.5% CARBON; THE REMAINDER NICKEL AND INCIDENTAL IMPURITIES.
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) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |