US2569916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface metal raceway
Assignee: Uniroyal Inc
•
Filing: 1949-09-30
•
Granted: 1951-10-02
•
Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Sr Charles E Barnes
- 👤 Jr Charles E Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:01
CPC Classifications
E; E04; E04F; E04F19/00; E04F19/02; E04F19/04; E04F19/0436; H; H02; H02G; H02G3/00; H02G3/02; H02G3/04; H02G3/0425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US800053A
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DE695748C
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CH225310A
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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 |