US2549178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball-and-socket coupling
Assignee: J Brockhouse and Co Ltd
•
Filing: 1948-02-20
•
Granted: 1951-04-17
•
Expires: 1968-02-20
Abstract
No abstract record available.
Inventors
- 👤 Dear Alexander Thomas Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:53
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/06; B60D1/065; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32114; Y10T403/32213; Y10T403/32606; Y10T403/32631; Y10T403/32721; Y10T403/45; Y10T403/455; Y10T403/457
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1896717A
Cited
US1875930A
Cited
FR725351A
Cited
US1986149A
Cited
GB444106A
Cited
US2144401A
Cited
US2297182A
Cited
US2438749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |