Patent US3466478A successfully refreshed from Google Patents.
US3466478A
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Bearing gas pressure equalizing structure
Assignee: Lear Siegler Inc
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Filing: 1967-01-09
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Granted: 1969-09-09
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Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Stewart E Gail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:51
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/173; H02K5/1732
Claims Analysis
Total Claims: 0
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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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |