US3383476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound translating apparatus
Assignee: RCA Corp
•
Filing: 1965-03-17
•
Granted: 1968-05-14
•
Expires: 1985-03-17
Abstract
No abstract record available.
Inventors
- 👤 Adolph R Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:31
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN A MICROPHONE OF THE TYPE HAVING A VIBRATORY CONDUCTOR IN A MAGNETIC FIELD, A LABYRINTH STRUCTURE FOR LOADING SAID CONDUCTOR COMPRISING FIRST AND SECOND GROUPS OF PARTITIONS DISPOSED IN ANGULAR RELATION TO EACH OTHER AND INTERLOCKED TO PROVIDE A PLURALITY OF CELLS, A SAID CELLS BEING SUCCESSIVELY IN COMMUNICATION WITH EACH OTHER AT OPPOSITE ENDS BEGINNING WITH A FIRST
Claim 2
Dependent Claim
60 words
IN A MICROPHONE OF THE TYPE HAVING A VIBRATORY CONDUCTOR IN A MAGNETIC FIELD, A LABYRINTH STRUCTURE FOR LOADING SAID CONDUCTOR COMPRISING FIRST AND SECOND GROUPS OF PARTITIONS DISPOSED IN ANGULAR RELATION TO EACH OTHER AND INTERLOCKED TO PROVIDE A PLURALITY OF CELLS, A SAID CELLS BEING SUCCESSIVELY IN COMMUNICATION WITH EACH OTHER AT OPPOSITE ENDS BEGINNING WITH A FIRST
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |