US2981573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearings of plastics
Assignee: Bayer Corp
•
Filing: 1956-06-19
•
Granted: 1961-04-25
•
Expires: 1976-06-19
Abstract
No abstract record available.
Inventors
- 👤 Reuter Franz Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:05
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; F16C33/02; F16C33/04; F16C33/20; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3268; F16C2208/00; F16C2208/10; F16C2208/12; F16C2300/00; F16C2300/02; Y; Y10; Y10S; Y10S417/00; Y10S417/01; Y10S74/00; Y10S74/10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18128; Y10T74/18136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |