US3018085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating labyrinth seal
Assignee: Motors Liquidation Co
•
Filing: 1957-03-25
•
Granted: 1962-01-23
•
Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Harvey W Welsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:51
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/02; F01D11/025; F16; F16J; F16J15/00; F16J15/44; F16J15/445; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2488867A
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US2632626A
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US2598176A
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US2488875A
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US2686657A
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US2640319A
Cited
US2702687A
Cited
US2812159A
Cited
US2773711A
Cited
US2851289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |