US3143457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration damping treatments
Assignee: Individual
•
Filing: 1960-03-09
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Granted: 1964-08-04
•
Expires: 1980-03-09
Abstract
No abstract record available.
Inventors
- 👤 Ross E Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:40
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/30; B63H21/305; F; F16; F16F; F16F9/00; F16F9/30; F16F9/306; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24983; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/24999; Y10T428/26; Y10T428/266; Y10T428/31504; Y10T428/31511; Y10T428/31855; Y10T428/3188; Y10T428/31909; Y10T428/31913; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/3333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A LAMINATED WATER-BORNE SHIP STRUCTURAL SECTION FOR DAMPENING SOUND WAVES GENERATED BY SHIP-PRODUCED MECHANICAL VIBRATION, SAID SECTION COMPRISING A METAL SHEET OF AT LEAST 1/4 INCH THICKNESS, A CELLULAR VULCANIZED BUTYL RUBBER LAYER COEXTENSIVE WITH AND CONTINUOUSLY BONDED TO SAID METAL SECTION, AND A SOLID HIGH-DENSITY BUTYL RUBBER OVERLAYER COEXTENSIVE WITH AND CONTINUOUSLY BONDED TO SAID CELLULAR LAYER, THE MASS PER UNIT AREA OF THE DENSE OVERLAYER AND THE RELATIVE THICKNESSES, DYNAMIC MODULI AND LOSS FACTORS OF THE TWO RUBBER LAYERS BEING MUTUALLY FIXED FOR PROVIDING A VIBRATIONAL DAMPING RATE OF AT LEAST 57 DB/SEC. AT 240 C.P.S. AND AT LEAST 340 DB/SEC. AT 540 C.P.S.
Claim 2
Dependent Claim
106 words
A LAMINATED WATER-BORNE SHIP STRUCTURAL SECTION FOR DAMPENING SOUND WAVES GENERATED BY SHIP-PRODUCED MECHANICAL VIBRATION, SAID SECTION COMPRISING A METAL SHEET OF AT LEAST 1/4 INCH THICKNESS, A CELLULAR VULCANIZED BUTYL RUBBER LAYER COEXTENSIVE WITH AND CONTINUOUSLY BONDED TO SAID METAL SECTION, AND A SOLID HIGH-DENSITY BUTYL RUBBER OVERLAYER COEXTENSIVE WITH AND CONTINUOUSLY BONDED TO SAID CELLULAR LAYER, THE MASS PER UNIT AREA OF THE DENSE OVERLAYER AND THE RELATIVE THICKNESSES, DYNAMIC MODULI AND LOSS FACTORS OF THE TWO RUBBER LAYERS BEING MUTUALLY FIXED FOR PROVIDING A VIBRATIONAL DAMPING RATE OF AT LEAST 57 DB/SEC. AT 240 C.P.S. AND AT LEAST 340 DB/SEC. AT 540 C.P.S.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |