US3286227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line hydrophone
Assignee: Individual
•
Filing: 1953-02-20
•
Granted: 1966-11-15
•
Expires: 1973-02-20
Abstract
No abstract record available.
Inventors
- 👤 Gerard T Aldrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A HYDROPHONE COMPRISING A STIFF FIRST ROD, SAID FIRST ROD HAVING A LONGITUDINAL SURFACE SLOT, AN ELECTRIC CONDUCTOR SECOND ROD NESTED IN THE SLOT, A BLANKET WRAPPED ABOUT SAID FIRST ROD, SAID BLANKET HAVING A LONDITUDINAL OPENING EXPOSING SAID SECOND ROD, A STACK OF CYLINDERS MOUNTED COAXIALLY ON SAID BLANKET, SID CYLINDERS INCLUDING ALTERNATE ACTIVE ELEMENTS AND SPACERS, MEANS ELECTRICALLY CONNECTING THE INSIDE OF EACH ELEMENT WITH SAID SECOND ROD, A LONGITUDINAL ELECTRIC CONDUCTOR STRIP OUT SIDE SAID STACK, MEANS ELECTRICALLY CONNECTING THE OUTSIDE OF EACH ELEMENT WITH SAID STRIP, AND A SOUND-TRANSPARENT AND IMPERVIOUS BOOT INCLOSING SAID STACK.
Claim 2
Dependent Claim
99 words
A HYDROPHONE COMPRISING A STIFF FIRST ROD, SAID FIRST ROD HAVING A LONGITUDINAL SURFACE SLOT, AN ELECTRIC CONDUCTOR SECOND ROD NESTED IN THE SLOT, A BLANKET WRAPPED ABOUT SAID FIRST ROD, SAID BLANKET HAVING A LONDITUDINAL OPENING EXPOSING SAID SECOND ROD, A STACK OF CYLINDERS MOUNTED COAXIALLY ON SAID BLANKET, SID CYLINDERS INCLUDING ALTERNATE ACTIVE ELEMENTS AND SPACERS, MEANS ELECTRICALLY CONNECTING THE INSIDE OF EACH ELEMENT WITH SAID SECOND ROD, A LONGITUDINAL ELECTRIC CONDUCTOR STRIP OUT SIDE SAID STACK, MEANS ELECTRICALLY CONNECTING THE OUTSIDE OF EACH ELEMENT WITH SAID STRIP, AND A SOUND-TRANSPARENT AND IMPERVIOUS BOOT INCLOSING SAID STACK.
References Cited (Backward Citations)
US2732536A
Cited
FR818828A
Cited
US2417829A
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US2434648A
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US2486560A
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US2772405A
Cited
US2837731A
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |