US2780502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting-rod bearing
Assignee: Mannesmann Demag Krauss Maffei GmbH
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Filing: 1955-01-25
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Granted: 1957-02-05
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Expires: 1975-01-25
Abstract
No abstract record available.
Inventors
- 👤 Emele Gunther Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:12
CPC Classifications
F; F16; F16C; F16C9/00; F16C9/04; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B75/224; F02B75/24; F02B75/243; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2143
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |