Patent US3503640A successfully refreshed from Google Patents.
US3503640A
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US
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Ball joint
Assignee: Metallwaren GmbH
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Filing: 1968-12-09
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Granted: 1970-03-31
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Expires: 1988-12-09
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Eberle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:01
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0657; F16C11/0685; F16C11/069; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32196; Y10T403/32204; Y10T403/32606; Y10T403/32631
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE660303C
Cited
US1929807A
Cited
US1931102A
Cited
US2752726A
Cited
AT198143B
Cited
US3224801A
Cited
US3348864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |