US2874976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball and socket coupling with resilient liner
Assignee: Individual
•
Filing: 1954-03-29
•
Granted: 1959-02-24
•
Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Frank F Linn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:26
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/586; B60D1/01; B60D1/06; B60D1/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE511173C
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US757769A
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US815563A
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US1980117A
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US2170980A
Cited
US2368200A
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US2590264A
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US2532676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |