Patent US3122294A successfully refreshed from Google Patents.
US3122294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for impressing or reproducing recordings
Assignee: US Philips Corp
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Filing: 1956-08-27
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Granted: 1964-02-25
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Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Laa Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:42
CPC Classifications
G; G11; G11B; G11B23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A RECORDING OR REPRODUCING DEVICE COMPRISING A TAPE, A DRIVING ROLLER ROTATING CONTINUOUSLY IN ONE DIRECTION ONLY, A PAIR OF SPACED PAD ROLLERS, AND MEANS FOR MOVING SAID PAD ROLLERS WHEREBY THEY ALTERNATELY AND SELECTIVELY MOVE SAID TAPE INTO DRIVING ENGAGEMENT WITH SAID DRIVING ROLLER, ONE OF SAID PAD ROLLERS WHEN SO MOVED CAUSING SAID TAPE TO BE IMPELLED IN ONE DIRECTION OF MOVEMENT WHILE THE OTHER PAD ROLLER WHEN SO MOVED CAUSING SAID TAPE TO BE IMPELLED IN THE OPPOSITE DIRECTION OF MOVEMENT.
Claim 2
Dependent Claim
84 words
A RECORDING OR REPRODUCING DEVICE COMPRISING A TAPE, A DRIVING ROLLER ROTATING CONTINUOUSLY IN ONE DIRECTION ONLY, A PAIR OF SPACED PAD ROLLERS, AND MEANS FOR MOVING SAID PAD ROLLERS WHEREBY THEY ALTERNATELY AND SELECTIVELY MOVE SAID TAPE INTO DRIVING ENGAGEMENT WITH SAID DRIVING ROLLER, ONE OF SAID PAD ROLLERS WHEN SO MOVED CAUSING SAID TAPE TO BE IMPELLED IN ONE DIRECTION OF MOVEMENT WHILE THE OTHER PAD ROLLER WHEN SO MOVED CAUSING SAID TAPE TO BE IMPELLED IN THE OPPOSITE DIRECTION OF MOVEMENT.
References Cited (Backward Citations)
US1499521A
Cited
US2085383A
Cited
US2373107A
Cited
US2568601A
Cited
US2705639A
Cited
US2547464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |