US2522150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain tensioning device
Assignee: Individual
•
Filing: 1948-10-06
•
Granted: 1950-09-12
•
Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Karl B Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:29
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/06; B60C27/10; B25; B25B; B25B27/00; B25B27/14; B25B27/22; F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2102; Y10T24/2119
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |