US3210580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-acoustic transducer
Assignee: Individual
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Filing: 1961-07-11
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Granted: 1965-10-05
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Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:04
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/03; B29C66/032; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0655; B29C65/00; B29C65/02; B29C65/08; B29C65/081; B29C66/70; B29C66/73; B29C66/739; B29C66/7394; B29C66/73941; B29C66/74; B29C66/742; B29C66/80; B29C66/81; B29C66/816; B29C66/8167; B29C66/84; B29C66/861; B29K; B29K2101/00; B29K2101/12; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
IN AN ELECTRO-ACOUSTIC TRANSDUCER, ADAPTED TO CONVERT VARIABLE ELECTRICAL INPUT ENERGY TO VIBRATORY OUTPUT ENERGY, A FRANGIBLE BODY WHOSE DIMENSIONS ARE VARIABLE WITH ELECTRICAL INPUT ENERGY, MEANS TO APPLY SAID ELECTRICAL INPUT ENERGY, AND MEANS CLAMPING SAID BODY BETWEEN ITS TWO EXTREMITIES IN COMPRESSION IN ONE OF SAID VARIABLE DIMENSIONS.
Claim 2
Dependent Claim
50 words
IN AN ELECTRO-ACOUSTIC TRANSDUCER, ADAPTED TO CONVERT VARIABLE ELECTRICAL INPUT ENERGY TO VIBRATORY OUTPUT ENERGY, A FRANGIBLE BODY WHOSE DIMENSIONS ARE VARIABLE WITH ELECTRICAL INPUT ENERGY, MEANS TO APPLY SAID ELECTRICAL INPUT ENERGY, AND MEANS CLAMPING SAID BODY BETWEEN ITS TWO EXTREMITIES IN COMPRESSION IN ONE OF SAID VARIABLE DIMENSIONS.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |