US3286204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reverberation unit having vibration-isolating suspension
Assignee: Hammond Organ Co
•
Filing: 1962-04-26
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Granted: 1966-11-15
•
Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Laube
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:28
CPC Classifications
G; G10; G10K; G10K15/00; G10K15/08; G10K15/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A SUSPENSION SYSTEM FOR A VIBRATION SENSITIVE REVERBERATION UNIT UTILIZING ELECTROACOUSTIC TRANSDUCERS FOR THE PURPOSE OF VIBRATIONALLY ISOLATING THE REVERBERATION UNIT COMPRISING, A MOUNTING FRAME, FOR SUBSTANTIALLY IDENTICAL COIL SPRINGS SUPPORTING SAID REVERBERATION UNIT, SAID SPRINGS BEING IN TENSION AND CONNECTD AT ONE END TO SAID REVERBERATION UNIT AT SPACED POINTS AND TO THE MOUNTING FRAME AT THEIR OTHER ENDS AT SPACED POINTS, AND THE ANGULARITY OF THE SPRINGS BEING SUCH THAT THE AXIS OF EACH SPRING IS NORMAL TO A DIFFERENT FACE OF A TETRAHEDRON.
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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 |