US3285097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsional vibration damper
Assignee: Individual
•
Filing: 1964-07-29
•
Granted: 1966-11-15
•
Expires: 1984-07-29
Abstract
No abstract record available.
Inventors
- 👤 Bernard E O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:54
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/16; F16F15/167; F16F15/173; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A TORSIONAL VIBRATION DAMPER COMPRISING AN ANNULAR CASING CONTAINING A LIQUID AND HAVING SIDE WALLS WHICH ARE BOWED OUTWARDLY WITH A SUBSTANTIALLY SMOOTH CONTINUOUSLY CURVED CROSS SECTION, AND AN ANNULAR INERTIA
Claim 2
Dependent Claim
31 words
A TORSIONAL VIBRATION DAMPER COMPRISING AN ANNULAR CASING CONTAINING A LIQUID AND HAVING SIDE WALLS WHICH ARE BOWED OUTWARDLY WITH A SUBSTANTIALLY SMOOTH CONTINUOUSLY CURVED CROSS SECTION, AND AN ANNULAR INERTIA
References Cited (Backward Citations)
US1719805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |