US3320596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storing and recalling signals
Assignee: Shell USA Inc
•
Filing: 1961-12-07
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Granted: 1967-05-16
•
Expires: 1981-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Noyes D Smith
- 👤 William L Roever
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:22
CPC Classifications
G; G11; G11C; G11C27/00; G11C27/02; G11C27/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE METHOD OF STORING A SIGNAL HAVING AN AMPLITUDE WHICH VARIES WITH TIME WHICH COMPRISES: (A) MAGNETICALLY POLARIZING AN ELONGATE BODY OF MAGNETO-STRICTIVE MATERIAL, SAID POLARIZING INCLUDING AN AXIAL COMPONENT; (B) APPLYING SAID SIGNAL AS A SERIES OF MECHANICAL SIGNAL STRESSES TO SAID ELONGATE BODY AND PROPAGATING CORRESPONDING ACOUSTIC SIGNAL WAVES ALONG THE LENGTH THEREOF; AND
Claim 2
Independent Claim
56 words
THE METHOD OF STORING A SIGNAL HAVING AN AMPLITUDE WHICH VARIES WITH TIME WHICH COMPRISES: (A) MAGNETICALLY POLARIZING AN ELONGATE BODY OF MAGNETO-STRICTIVE MATERIAL, SAID POLARIZING INCLUDING AN AXIAL COMPONENT; (B) APPLYING SAID SIGNAL AS A SERIES OF MECHANICAL SIGNAL STRESSES TO SAID ELONGATE BODY AND PROPAGATING CORRESPONDING ACOUSTIC SIGNAL WAVES ALONG THE LENGTH THEREOF; AND
References Cited (Backward Citations)
US2790160A
Cited
US3016524A
Cited
GB873367A
Cited
US3173131A
Cited
US3127578A
Cited
US3020416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |