US3097897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing combination
Assignee: Unifrax I LLC
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Filing: 1961-03-16
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Granted: 1963-07-16
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:00
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6696; F16C33/303; F16C33/32; F16C33/58; F16C33/62; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2206/00; F16C2206/40; F16C2206/42; F16C2206/44; F16C2206/80; F16C2206/82; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49709; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/1209; Y10T428/1216; Y10T428/12174
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
36 words
A BALL BEARING CONSISTING OF BALLS OF ALUMINA AND A RACE-WAY OF TITANUM CARBIDE CERMET, SAID BALLS AND RACEWAY HAVING A DENSITY OF AT LEAST 95% OF THEORETICAL AND A SPACER RING OF MOLYBDENUM-TITANIUM ALLOY WHEREIN
References Cited (Backward Citations)
US2648573A
Cited
US2685545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |