US3075406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller shaft damper
Assignee: Motors Liquidation Co
•
Filing: 1961-07-13
•
Granted: 1963-01-29
•
Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Martin R Butler
- 👤 Basil F Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:40
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/14; F16F15/1407; F16F15/1414; F16F15/1435; F16F15/1442; F16C; F16C2326/00; F16C2326/01; F16C2326/06; F16C3/00; F16C3/02; F16C3/023; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2131
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A VIBRATION DAMPER FOR A ROTATING TUBULAR PROPELLER SHAFT COMPRISING: A RIGID MASS ADAPTED TO BE DISPOSED WITHIN SAID PROPELLER SHAFT; AND A RESILIENT MOUNT BONDED TO SAID MASS AND ADAPTED TO BE BONDED TO SAID PROPELLER SHAFT AND SUPPORT SAID MASS IN SAID PROPELLER SHAFT; SAID MASS AND SAID MOUNT HAVING A NATURAL FREQUENCY OF VIBRATION THE SAME AS THE NATURAL FREQUENCY OF VIBRATION OF SAID PROPELLER SHAFT.
Claim 2
Dependent Claim
69 words
A VIBRATION DAMPER FOR A ROTATING TUBULAR PROPELLER SHAFT COMPRISING: A RIGID MASS ADAPTED TO BE DISPOSED WITHIN SAID PROPELLER SHAFT; AND A RESILIENT MOUNT BONDED TO SAID MASS AND ADAPTED TO BE BONDED TO SAID PROPELLER SHAFT AND SUPPORT SAID MASS IN SAID PROPELLER SHAFT; SAID MASS AND SAID MOUNT HAVING A NATURAL FREQUENCY OF VIBRATION THE SAME AS THE NATURAL FREQUENCY OF VIBRATION OF SAID PROPELLER SHAFT.
References Cited (Backward Citations)
US1867708A
Cited
US2878689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |