Patent US3421969A successfully refreshed from Google Patents.
US3421969A
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US
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Bearing preform means
Assignee: Motors Liquidation Co
•
Filing: 1964-11-19
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Granted: 1969-01-14
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Melvin V Roode
- 👤 James F Marlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:54
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; B; B29; B29C; B29C65/00; B29C65/48; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C66/70; B29C66/71; B29C65/4805; B29C65/483; B29C65/486; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24802; Y10T428/24826; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2804886A
Cited
US2908535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |