US3417422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball castors
Assignee: Autoset Production Ltd
•
Filing: 1966-08-16
•
Granted: 1968-12-24
•
Expires: 1986-08-16
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:27
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/045; F16C29/046; B; B60; B60B; B60B33/00; B60B33/08; B60B2380/00; F16C2326/00; F16C2326/01; F16C2326/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US811467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |