Patent US2342395A successfully refreshed from Google Patents.
US3355603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow bodies of electrostrictive material
Assignee: Jenoptik AG
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Filing: 1965-04-13
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Granted: 1967-11-28
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Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 Hesse Gerhard
- 👤 Dietel Wieland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:51
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A HOLLOW BODY OF ELECTROSTRICTIVE MATERIAL HAVING TWO APERTURES AND COMPRISING AT LEAST ONE PLATE FAST WITH THE HOLLOW BODY AND CLOSING ONE OF SAID APERTURES, AN ELECTRICALLY CONDUCTIVE LAYER ON ITS EXTERIOR SIDE, AN ELECTRICALLY CONDUCTIVE LAYER ON ITS INTERIOR SIDE, EACH OF SAID TWO LAYERS EXTENDING OVER THE CIRCUMFERENCE OF SAID HOLLOW BODY, AT LEAST ONE OF SAID LAYERS HAVING A MAXIMUM AND A MINIMUM EXTENSION PARALLEL TO THE STRIGHT LINE INTERCONNECTING THE CENTERS OF SAID APERTURES.
Claim 2
Dependent Claim
79 words
A HOLLOW BODY OF ELECTROSTRICTIVE MATERIAL HAVING TWO APERTURES AND COMPRISING AT LEAST ONE PLATE FAST WITH THE HOLLOW BODY AND CLOSING ONE OF SAID APERTURES, AN ELECTRICALLY CONDUCTIVE LAYER ON ITS EXTERIOR SIDE, AN ELECTRICALLY CONDUCTIVE LAYER ON ITS INTERIOR SIDE, EACH OF SAID TWO LAYERS EXTENDING OVER THE CIRCUMFERENCE OF SAID HOLLOW BODY, AT LEAST ONE OF SAID LAYERS HAVING A MAXIMUM AND A MINIMUM EXTENSION PARALLEL TO THE STRIGHT LINE INTERCONNECTING THE CENTERS OF SAID APERTURES.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |