US2680284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making dampers for vibration isolators
Assignee: BARRY Corp
•
Filing: 1950-11-03
•
Granted: 1954-06-08
•
Expires: 1970-11-03
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Markowski
- 👤 William W Symonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:53
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/362; F16F3/00; F16F3/02; F16F3/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49826; Y10T29/49881; Y10T29/49908; Y10T29/49915; Y10T29/4992
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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |