US2619604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetostriction device
Assignee: RCA Corp
•
Filing: 1949-03-30
•
Granted: 1952-11-25
•
Expires: 1969-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Leslie L Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:44
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/22; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
53 words
IN A MAGNETOSTRICTIVE VIBRATOR A COMPOSITE CORE, SAID CORE COMPRISING A CORE BODY HAVING A DESIRED MECHANICAL Q, A PLATING OF A HIGHLY CONDUCTIVE MENTAL ON SAID CORE BODY, AND A PLATING OF MAGNETROSTRICTIVE MATERIAL ON SAID CONDUCTIVE METAL WHEREBY THE MECHANICAL Q OF SAID VIBRATOR ARE SUBSTANTIALLY THOSE OF SAID CORE BODY.
Claim 2
Dependent Claim
53 words
IN A MAGNETOSTRICTIVE VIBRATOR A COMPOSITE CORE, SAID CORE COMPRISING A CORE BODY HAVING A DESIRED MECHANICAL Q, A PLATING OF A HIGHLY CONDUCTIVE MENTAL ON SAID CORE BODY, AND A PLATING OF MAGNETROSTRICTIVE MATERIAL ON SAID CONDUCTIVE METAL WHEREBY THE MECHANICAL Q OF SAID VIBRATOR ARE SUBSTANTIALLY THOSE OF SAID CORE BODY.
Claim 3
Dependent Claim
28 words
IN A MAGNETOSTRICTIVE VIBRATOR SYSTEM, A COMPOSITE CORE COMPRISING A CORE BODY OF ALUMINUM, A PLATING OF COPPER THEREON, AND A PLATING OF NICKEL OF SAID COPPER PLATING.
Claim 4
Dependent Claim
28 words
IN A MAGNETOSTRICTIVE VIBRATOR SYSTEM, A COMPOSITE CORE COMPRISING A CORE BODY OF ALUMINUM, A PLATING OF COPPER THEREON, AND A PLATING OF NICKEL OF SAID COPPER PLATING.
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) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |