US2999707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible joint
Assignee: Bayer Corp
•
Filing: 1957-11-27
•
Granted: 1961-09-12
•
Expires: 1977-11-27
Abstract
No abstract record available.
Inventors
- 👤 Kniepkamp Ernest
- 👤 Reuter Franz Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:56
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16F; F16F3/00; F16F3/08; F16F3/087; F16F3/093; F16F3/0935; F16B2200/00; F16B2200/10; F16F2236/00; F16F2236/12; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/909; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T403/00; Y10T403/45; Y10T403/455
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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |