US3207000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft damper
Assignee: Individual
•
Filing: 1961-08-23
•
Granted: 1965-09-21
•
Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 Charles S White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:55
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/14; F16F15/1485; F16F15/1492; F16F7/00; F16F7/02; F16F7/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CRANKSHAFT TORSIONAL VIBRATION DAMPER COMPRISING AN OUTWARDLY EXTENDING ANNULAR MEMBER SECURED TO THE CRANKSHAFT FOR ROTATION THEREWITH, A ROTATABLE MEMBER MOUNTED CONCENTRICALLY AROUND SAID CRANKSHAFT, SAID ROTATABLE MEMBER HAVING A FACE WHICH IS ADJACENT A FACE OF SAID OUTWARDLY EXTENDING MEMBER AND WHICH IS MOVABLE WITH RESPECT THERETO, AND A LAYER CONTAINING POLYTETRAFLUOROETHYLENE ON AT LEAST A PORTION OF THE FACE OF ONE OF SAID MEMBERS IN SLIDABLE ENGAGEMENT WITH THE FACE OF THE OTHER SAID MEMBERS.
Claim 2
Dependent Claim
78 words
A CRANKSHAFT TORSIONAL VIBRATION DAMPER COMPRISING AN OUTWARDLY EXTENDING ANNULAR MEMBER SECURED TO THE CRANKSHAFT FOR ROTATION THEREWITH, A ROTATABLE MEMBER MOUNTED CONCENTRICALLY AROUND SAID CRANKSHAFT, SAID ROTATABLE MEMBER HAVING A FACE WHICH IS ADJACENT A FACE OF SAID OUTWARDLY EXTENDING MEMBER AND WHICH IS MOVABLE WITH RESPECT THERETO, AND A LAYER CONTAINING POLYTETRAFLUOROETHYLENE ON AT LEAST A PORTION OF THE FACE OF ONE OF SAID MEMBERS IN SLIDABLE ENGAGEMENT WITH THE FACE OF THE OTHER SAID MEMBERS.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |