US2514765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistance wire
Assignee: Baker and Co Inc
•
Filing: 1948-11-15
•
Granted: 1950-07-11
•
Expires: 1968-11-15
Abstract
No abstract record available.
Inventors
- 👤 James S Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:07
CPC Classifications
C; C22; C22C; C22C5/00; C22C5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
ELECTRICAL RESISTANCE WIRE CONSISTING O AN ALLOY OF PLATINUM, CHORMIUM AND NICKEL, WHEREIN THE PLATINUM CONTENT IS BETWEEN 93% AND 98%, THE NICKEL CONTENT IS BETWEEN 1% AND 6%, THE CHROMIUM CONTENT IS FROM 1% TO 2%, AND THE COMBINED CHROMIUM AND NICKEL CONTENT NOT EXCEEDING 7% OF THE ALLOY.
Claim 2
Dependent Claim
50 words
ELECTRICAL RESISTANCE WIRE CONSISTING O AN ALLOY OF PLATINUM, CHORMIUM AND NICKEL, WHEREIN THE PLATINUM CONTENT IS BETWEEN 93% AND 98%, THE NICKEL CONTENT IS BETWEEN 1% AND 6%, THE CHROMIUM CONTENT IS FROM 1% TO 2%, AND THE COMBINED CHROMIUM AND NICKEL CONTENT NOT EXCEEDING 7% OF THE ALLOY.
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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |