US2569531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball-bearing structure
Assignee: Motors Liquidation Co
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Filing: 1947-02-04
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Granted: 1951-10-02
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Expires: 1967-02-04
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Kunzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:44
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/10; F16C33/00; F16C33/30; F16C33/38; F16C33/3831; F16C33/44; F16C33/66; F16C33/6603; F16C33/6607; F16C33/6611; F16C2240/00; F16C2240/40; F16C2240/46
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) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |