Patent US2768848A successfully refreshed from Google Patents.
US2768848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling ball and method of production
Assignee: Fulton Co
•
Filing: 1953-01-09
•
Granted: 1956-10-30
•
Expires: 1973-01-09
Abstract
No abstract record available.
Inventors
- 👤 Harry A Mitchell
- 👤 Howard C Riemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:53
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/06; F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0604; F16C11/0609; F16C2326/00; F16C2326/01; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49599; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32681; Y10T403/32704
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1511822A
Cited
US1814703A
Cited
US1881877A
Cited
US2129257A
Cited
US2170980A
Cited
US2392063A
Cited
US2545406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |