US2799080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearings and bearing materials and method of making same
Assignee: Federal Mogul Engineering Ltd
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Filing: 1955-06-13
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Granted: 1957-07-16
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Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 Duckworth Walter Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:53
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/02; C22C33/0207; C22C33/0221; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/121; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12493; Y10T428/12687; Y10T428/12694; Y10T428/12701; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A BEARING MATERIAL CONSISTING ESSENTIALLY OF A MAXTRIX OF IRON IN WHICH A DISPERSED LEAD IN A PROPORTION OF FROM 10% TO 5/% AND A SULFIDE OF A METAL OF THE GROUP CONSISTING OF IRON, LEAD , NICKEL, COPPER AND TIN IN A PROPORTION OF FROM 0.5% TO 10%.
Claim 2
Dependent Claim
49 words
A BEARING MATERIAL CONSISTING ESSENTIALLY OF A MAXTRIX OF IRON IN WHICH A DISPERSED LEAD IN A PROPORTION OF FROM 10% TO 5/% AND A SULFIDE OF A METAL OF THE GROUP CONSISTING OF IRON, LEAD , NICKEL, COPPER AND TIN IN A PROPORTION OF FROM 0.5% TO 10%.
References Cited (Backward Citations)
US228615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |