Patent US326814A successfully refreshed from Google Patents.
Patent US3018113A successfully refreshed from Google Patents.
US3018113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating labyrinth seal
Assignee: Motors Liquidation Co
•
Filing: 1957-05-14
•
Granted: 1962-01-23
•
Expires: 1977-05-14
Abstract
No abstract record available.
Inventors
- 👤 Russell S Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:59
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/02; F01D11/025; F04; F04D; F04D29/00; F04D29/08; F04D29/083; F16; F16J; F16J15/00; F16J15/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 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 |