Patent US2413636A successfully refreshed from Google Patents.
Patent US3615134A successfully refreshed from Google Patents.
US3615134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalanced and self-closing platen cover
Assignee: Xerox Corp
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Filing: 1969-09-29
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Granted: 1971-10-26
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Expires: 1989-09-29
Abstract
Abstract APPARATUS IS HEREIN DISCLOSED FOR CONTROLLING THE POSITIONING OF A COVER SUITABLE FOR PROTECTING A PLATEN AS UTILIZED IN AUTOMATIC REPRODUCING MACHINES. THE COVER AS OPERATIVELY XCONNECTED TO A CONTROL MECHANISM TO MOVE A SLIDE IN A HORIZONTAL DIRECTION AS THE PLATEN COVER IS RAISED OR LOWERED. A PAIR OF MECHANICALLY BIASED MEMBERS ACT ON THE SIDE, AND COACT WITH EACH OTHER TO SUPPORT THE COVER IN A STATIONARY POSITION WHEN THE COVER IS RAISED ABOVE A PREDETERMINED POSITION AND AUTOMATICALLY MOVES THE COVER INTO CLOSURE WHEN IT IS PLACED BELOW THE PREDETERMINED POSITION.
Inventors
- 👤 Dean R Newcomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:14
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/6221; G03B27/6228
Claims Analysis
Total Claims: 0
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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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |