US3214823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid actuated filing machine
Assignee: AI LOHBECK
•
Filing: 1962-05-29
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Granted: 1965-11-02
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Hendrickson Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:46
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04; B24B23/043; B23; B23D; B23D67/00; B23Q; B23Q5/00; B23Q5/02; B23Q5/027; B23Q5/033; Y; Y10; Y10T; Y10T29/00; Y10T29/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A FLUID ACTUATED DEVICE COMPRISING A BODY DEFINING A PAIR OF CYLINDER BORES, A PAIR OF SEPARATE PISTONS RECIPROCAL IN SAID BORES AND CONNECTED TOGETHER FOR SIMULTANEOUS RECIPROCATION, FLUID PRESSURE INTAKE AND EXHAUST MEANS COMMUNICATED WITH ONE PAIR OF ENDS OF SAID BORES INCLUDING MOVABLE VALVE MEANS OPERABLE IN DIRECT RESPONSE TO RECIPROCATION OF SAID PISTONS FOR ALTERNATELY ADMITTING FLUID UNDER PRESSURE INTO SAID BORES AND VENTING SAID BORES TO THE AMBIENT ATMOSPHERE IN TIMED SEQUENCE WITH THE RECIPROCATION OF SAID PISTONS, SAID PISTONS EACH INCLUDING A RACK GEAR PORTION, SAID BODY INCLUDING A PAIR OF GEAR WHEELS JOURNALLED FOR ROTATION ABOUT AXES EXTENDING TRANSVERSELY OF SAID BORES AND DISPOSED IN CONSTANT MESHING ENGAGEMENT WITH SAID RACK GEAR PORTIONS, A SLIDE CONNECTOR RACK GUIDINGLY SUPPORTED FROM SAID BODY FOR RECIPROCAL MOVEMENT AND INCLUDING A RACK GEAR PORTION MESHED WITH SAID GEAR WHEELS THEREBY INTERCONNECTING SAID PISTONS FOR SIMULTANEOUS MOVEMENT.
Claim 2
Dependent Claim
149 words
A FLUID ACTUATED DEVICE COMPRISING A BODY DEFINING A PAIR OF CYLINDER BORES, A PAIR OF SEPARATE PISTONS RECIPROCAL IN SAID BORES AND CONNECTED TOGETHER FOR SIMULTANEOUS RECIPROCATION, FLUID PRESSURE INTAKE AND EXHAUST MEANS COMMUNICATED WITH ONE PAIR OF ENDS OF SAID BORES INCLUDING MOVABLE VALVE MEANS OPERABLE IN DIRECT RESPONSE TO RECIPROCATION OF SAID PISTONS FOR ALTERNATELY ADMITTING FLUID UNDER PRESSURE INTO SAID BORES AND VENTING SAID BORES TO THE AMBIENT ATMOSPHERE IN TIMED SEQUENCE WITH THE RECIPROCATION OF SAID PISTONS, SAID PISTONS EACH INCLUDING A RACK GEAR PORTION, SAID BODY INCLUDING A PAIR OF GEAR WHEELS JOURNALLED FOR ROTATION ABOUT AXES EXTENDING TRANSVERSELY OF SAID BORES AND DISPOSED IN CONSTANT MESHING ENGAGEMENT WITH SAID RACK GEAR PORTIONS, A SLIDE CONNECTOR RACK GUIDINGLY SUPPORTED FROM SAID BODY FOR RECIPROCAL MOVEMENT AND INCLUDING A RACK GEAR PORTION MESHED WITH SAID GEAR WHEELS THEREBY INTERCONNECTING SAID PISTONS FOR SIMULTANEOUS MOVEMENT.
References Cited (Backward Citations)
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US2120300A
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US2224132A
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US2255395A
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US2722917A
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US2835957A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |