Patent US3175406A successfully refreshed from Google Patents.
US3175406A
Expired / Lapsed
US
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Mechanical amplitude transformer
Assignee: AT&T Inc
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Filing: 1963-03-25
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Granted: 1965-03-30
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Elsner Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:57
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10T; Y10T74/00; Y10T74/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A MECHANICAL TRANSFORMER FOR MAGNIFYING THE AMPLITUDE OF A REPETITIVE, SUBSTANTIALLY SINUSOIDAL, PHYSICAL DISPLACEMENT BY A FACTOR M, M HAVING A VALVE EXCEEDING 2, SAID TRANSFORMER COMPRISING AN ELONGATED ACOUSTICALLY RESONANT MEMBER HAVING ONE END LARGER THAN THE OTHER END, A LENGTH 1 LESS THAN A WAVELENGTH $ FOR EXTENSIONAL WAVES OF THE MEMBER''S RESONANT FREQUENCY PROPAGATED ALONG THE MEMBER, A MAXIMUM TRANSVERSE DIMENSION NOT GREATER THAN ONE-HALF OF SAID WAVELENGTH, THE CROSS-SECTIONAL AREA A OF THE MEMBER VARYING BETWEEN THE LARGER AND SMALLER ENDS OF THE MEMBER IN ACCORDANCE WITH THE INTEGRAL OF THE RELATION
Claim 2
Dependent Claim
96 words
A MECHANICAL TRANSFORMER FOR MAGNIFYING THE AMPLITUDE OF A REPETITIVE, SUBSTANTIALLY SINUSOIDAL, PHYSICAL DISPLACEMENT BY A FACTOR M, M HAVING A VALVE EXCEEDING 2, SAID TRANSFORMER COMPRISING AN ELONGATED ACOUSTICALLY RESONANT MEMBER HAVING ONE END LARGER THAN THE OTHER END, A LENGTH 1 LESS THAN A WAVELENGTH $ FOR EXTENSIONAL WAVES OF THE MEMBER''S RESONANT FREQUENCY PROPAGATED ALONG THE MEMBER, A MAXIMUM TRANSVERSE DIMENSION NOT GREATER THAN ONE-HALF OF SAID WAVELENGTH, THE CROSS-SECTIONAL AREA A OF THE MEMBER VARYING BETWEEN THE LARGER AND SMALLER ENDS OF THE MEMBER IN ACCORDANCE WITH THE INTEGRAL OF THE RELATION
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |