US3174645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ejector device
Assignee: International Business Machines Corp
•
Filing: 1962-08-30
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Granted: 1965-03-23
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Expires: 1982-08-30
Abstract
No abstract record available.
Inventors
- 👤 Casper L Barcia
- 👤 Henri A Khoury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:56
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/02; G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/0843; G06K13/10; G06K13/107; G06K17/00; G06K17/0003; G06K17/0012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A DEVICE FOR PNEUMATICALLY EJECTING A FLEXIBLE RECORD MEMBER WITHOUT CAUSING APPRECIABLE AIR FLOW ACROSS ITS FACES COMPRISING: A CHAMBER HAVING AN UPPER AND A LOWER SURFACE WHICH CHAMBER IS DIVIDED INTO TWO PORTIONS, A FORWARD PORTION IN WHICH SAID SURFACES ARE SPACED BY A DISTANCE SUFFICIENTLY GREATER THAN THE THICKNESS OF SAID RECORD MEMBER TO PERMIT FREE MOVEMENT OF SAID MEMBER, AND A REAR PORTION IN WHICH SAID SURFACES ARE SO POSITIONED AND SO SPACED AS TO PROVIDE A CLOSED PRESSURE FIT WITH A REAR PORTION OF SAID RECORD MEMBER; AND MEANS FOR APPLYING AIR PRESSURE TO THE REAR OF SAID CHAMBER.
Claim 2
Independent Claim
103 words
A DEVICE FOR PNEUMATICALLY EJECTING A FLEXIBLE RECORD MEMBER WITHOUT CAUSING APPRECIABLE AIR FLOW ACROSS ITS FACES COMPRISING: A CHAMBER HAVING AN UPPER AND A LOWER SURFACE WHICH CHAMBER IS DIVIDED INTO TWO PORTIONS, A FORWARD PORTION IN WHICH SAID SURFACES ARE SPACED BY A DISTANCE SUFFICIENTLY GREATER THAN THE THICKNESS OF SAID RECORD MEMBER TO PERMIT FREE MOVEMENT OF SAID MEMBER, AND A REAR PORTION IN WHICH SAID SURFACES ARE SO POSITIONED AND SO SPACED AS TO PROVIDE A CLOSED PRESSURE FIT WITH A REAR PORTION OF SAID RECORD MEMBER; AND MEANS FOR APPLYING AIR PRESSURE TO THE REAR OF SAID CHAMBER.
References Cited (Backward Citations)
US2697317A
Cited
US2904215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |