US2625736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a two-part ball construction
Assignee: Columbus Auto Parts Co
•
Filing: 1946-04-01
•
Granted: 1953-01-20
•
Expires: 1966-04-01
Abstract
No abstract record available.
Inventors
- 👤 Reynold E Klages
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:01
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/38; B21D53/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/49664; Y10T29/49666; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32681
Claims Analysis
Total Claims: 0
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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) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |