US3108409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic filing machine
Assignee: Individual
•
Filing: 1961-08-02
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Granted: 1963-10-29
•
Expires: 1981-08-02
Abstract
No abstract record available.
Inventors
- 👤 Hendrickson Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:54
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
161 words
A PNEUMATIC FILING MACHINE COMRISING A BODY, A PAIR OF GENERALLY PARALLEL CYLINDER BORES FORMED IN SAID BODY, A PAIR OF DOUBLE ENDED PISTONS RECIPROCAL IN SAID BORES, MEANS CONNECTING SAID PISTONS TOGETHER FOR SIMULTANEOUS AND OPPOSITE RECIPROCATION, FLUID PRESSURE INTAKE AND EXHAUST MEANS OPERATIVELY ASSOCIATED WITH THE OPPOSITE ENDS OF EACH OF SAID BORES, VALVE MEANS INCLUDING MOVABLE ACTUATOR MEANS OPERATIVELY CONNECTED TO AND DRIVEN BY SAID CONNECTING MEANS AND OPERABLE IN CONJUNCTION WITH SAID INTAKE AND EXHAUST MEANS ALTERNATELY ADMITTING FLUID UNDER PRESSURE TO THE OPPOSITE ENDS OF SAID BORES AND VENTING THE LATTER TO THE AMBIENT ATMOSPHERE IN TIMED SEQUENCE WITH RECIPROCATION OF SAID PISTONS, SAID MOVABLE ACTUATOR MEANS INCLUDING A LOST MOTION CONNECTION WITH SAID CONNECTING MEANS AND SAID VALVE MEANS INCLUDING PRESSURE RESPONSIVE MEANS FOR RAPIDLY MOVING SAID ACTUATOR MEANS TO THE FULL OPEN INLET POSITION IN RESPONSE TO INITIAL MOVEMENT OF SAID ACTUATOR MEANS TOWARD THE FULL OPEN INLET POSITION INDEPENDENTLY OF SAID CONNECTING MEANS.
Claim 2
Dependent Claim
161 words
A PNEUMATIC FILING MACHINE COMRISING A BODY, A PAIR OF GENERALLY PARALLEL CYLINDER BORES FORMED IN SAID BODY, A PAIR OF DOUBLE ENDED PISTONS RECIPROCAL IN SAID BORES, MEANS CONNECTING SAID PISTONS TOGETHER FOR SIMULTANEOUS AND OPPOSITE RECIPROCATION, FLUID PRESSURE INTAKE AND EXHAUST MEANS OPERATIVELY ASSOCIATED WITH THE OPPOSITE ENDS OF EACH OF SAID BORES, VALVE MEANS INCLUDING MOVABLE ACTUATOR MEANS OPERATIVELY CONNECTED TO AND DRIVEN BY SAID CONNECTING MEANS AND OPERABLE IN CONJUNCTION WITH SAID INTAKE AND EXHAUST MEANS ALTERNATELY ADMITTING FLUID UNDER PRESSURE TO THE OPPOSITE ENDS OF SAID BORES AND VENTING THE LATTER TO THE AMBIENT ATMOSPHERE IN TIMED SEQUENCE WITH RECIPROCATION OF SAID PISTONS, SAID MOVABLE ACTUATOR MEANS INCLUDING A LOST MOTION CONNECTION WITH SAID CONNECTING MEANS AND SAID VALVE MEANS INCLUDING PRESSURE RESPONSIVE MEANS FOR RAPIDLY MOVING SAID ACTUATOR MEANS TO THE FULL OPEN INLET POSITION IN RESPONSE TO INITIAL MOVEMENT OF SAID ACTUATOR MEANS TOWARD THE FULL OPEN INLET POSITION INDEPENDENTLY OF SAID CONNECTING MEANS.
References Cited (Backward Citations)
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |