Patent US271099A successfully refreshed from Google Patents.
US3134599A
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Dictation apparatus
Assignee: Dictaphone Corp
•
Filing: 1959-09-25
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Granted: 1964-05-26
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Expires: 1979-09-25
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Roberts
- 👤 John R Montgomery
- 👤 Frederick W Schueler
- 👤 Frederick A Pierini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:17
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
DICTATION APPARATUS COMPRISING A FIRST MOVABLE DEVICE HAVING A RECORDING HEAD ADAPTED TO COOPERATE WITH A SOUND RECORD TO IMPRESS SOUND SIGNALS THEREON; A SECOND MOVABLE DEVICE HAVING A REPRODUCING HEAD ADAPTED TO COOPERATE WITH SAID RECORD TO PRODUCE AN OUTPUT CORRE-
Claim 2
Dependent Claim
42 words
DICTATION APPARATUS COMPRISING A FIRST MOVABLE DEVICE HAVING A RECORDING HEAD ADAPTED TO COOPERATE WITH A SOUND RECORD TO IMPRESS SOUND SIGNALS THEREON; A SECOND MOVABLE DEVICE HAVING A REPRODUCING HEAD ADAPTED TO COOPERATE WITH SAID RECORD TO PRODUCE AN OUTPUT CORRE-
References Cited (Backward Citations)
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US1842550A
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US2127593A
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US2284836A
Cited
US2613938A
Cited
US2900191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |