US2996340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid dynamic bearing and method of making same
Assignee: Individual
•
Filing: 1956-06-26
•
Granted: 1961-08-15
•
Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 Macks Elmer Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:28
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/1075; F16C17/00; F16C17/04; F16C17/047; F16C17/12; F16C17/18; F16C33/1005; F16C33/101; F16C2202/00; F16C2202/50; F16C2202/54; F16C27/00; F16C27/06; F16C27/063; F16C33/1095
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US25921A
Cited
US1664878A
Cited
US1289048A
Cited
US1684693A
Cited
US1806062A
Cited
US1786565A
Cited
US2000310A
Cited
US2218034A
Cited
US2362667A
Cited
US2424028A
Cited
US2498485A
Cited
US2577798A
Cited
US2653062A
Cited
AT181468B
Cited
DE868087C
Cited
US2731308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |