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US2772928A
Expired / Lapsed
US
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Bearings or bushings
Assignee: C Conradty Nuernberg GmbH and Co KG
•
Filing: 1953-02-25
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Granted: 1956-12-04
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Expires: 1973-02-25
Abstract
No abstract record available.
Inventors
- 👤 Schulz Hans Traugott
- 👤 Rittmann Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:07
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US537172A
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US1052638A
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US1458943A
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US2039386A
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US2086787A
Cited
US2177040A
Cited
US2621946A
Cited
US2600079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |