Patent US2818737A successfully refreshed from Google Patents.
US2818737A
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US
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Spherical contact bearing
Assignee: Curtiss Wright Corp
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Filing: 1951-12-06
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Granted: 1958-01-07
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Expires: 1971-12-06
Abstract
No abstract record available.
Inventors
- 👤 Hillard E Barrett
- 👤 Elia A Gallo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:07
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/086; F16C11/00; F16C11/04; F16C19/00; F16C19/50; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18888; Y10T74/1892; Y10T74/18936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1391363A
Cited
AU1788634A
Cited
US2146289A
Cited
US2319654A
Cited
CH241230A
Cited
US2693708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |