Patent US3328301A successfully refreshed from Google Patents.
Patent US3200369A successfully refreshed from Google Patents.
US3200369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature underwater sound transducer
Assignee: Individual
•
Filing: 1961-06-29
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Granted: 1965-08-10
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Werner G Neubauer
- 👤 Raymond L Steinberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:41
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0662; B06B1/0681; B06B1/0685
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A MINIATURE SOUND TRANSDUCER COMPRISING, A HOLLOW TUBULAR HOUSING HAVING OPEN FRONT AND REAR ENDS, A RIGID SEALING CAP SUBSTANTIALLY COVERING SAID REAR END, A CRYSTAL MOTOR POSITIONED WITHIN SAID HOUSING AT SAID FRONT END, A SHEET OF HIGHLY DUCTILE METAL FOIL EXTENDING ACROSS SAID FRONT END IN CONTACT WITH THE FRONT OF SAID CRYSTAL MOTOR, A RING CAP SURROUNDING THE FRONT END OF SAID HOUSING AND SPACED THEREFROM LESS THAN THE THICKNESS OF SAID SHEET, SAID SHEET BEING COLD WORKED BETWEEN SAID RING CAP AND HOUSING.
Claim 2
Dependent Claim
87 words
A MINIATURE SOUND TRANSDUCER COMPRISING, A HOLLOW TUBULAR HOUSING HAVING OPEN FRONT AND REAR ENDS, A RIGID SEALING CAP SUBSTANTIALLY COVERING SAID REAR END, A CRYSTAL MOTOR POSITIONED WITHIN SAID HOUSING AT SAID FRONT END, A SHEET OF HIGHLY DUCTILE METAL FOIL EXTENDING ACROSS SAID FRONT END IN CONTACT WITH THE FRONT OF SAID CRYSTAL MOTOR, A RING CAP SURROUNDING THE FRONT END OF SAID HOUSING AND SPACED THEREFROM LESS THAN THE THICKNESS OF SAID SHEET, SAID SHEET BEING COLD WORKED BETWEEN SAID RING CAP AND HOUSING.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |