Patent US3123355A successfully refreshed from Google Patents.
US3123355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lessig
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:09
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/08; B65H1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A SHEET FEEDING APPARATUS COMPRISING, A SUPPORT FOR A STACK OF SHEETS, AN ELECTRIC DRIVE MOTOR COUPLED TO SAID SUPPORT, ELECTRICAL CIRCUIT MEANS OPERABLE FOR ROTATING SAID MOTOR AT SUBSTANTIALLY FULL SPEED FOR ADVANCING SAID SUPPORT AT HIGH SPEED FROM A SHEET STACK LOADING STATION TOWARD A SHEET SEPARATION STATION, A PULSING UNIT FOR OPENING AND CLOSING SAID CIRCUIT AT INTERVALS TO EFFECT INTERMITTENT ROTATION OF SAID MOTOR IN STEPWISE MOVEMENTS EACH A PART OF A REVOLUTION AND NORMALLY INEFFECTIVE WHEN SAID SUPPORT IS AT THE LOADING STATION, SWITCHING MEANS ACTUATED BY MOVEMENT OF SAID SUPPORT FOR STOPPING FULLSPEED ROTATION OF SAID MOTOR WHEN THE SUPPORT IS A SHORT DISTANCE FROM THE SHEET SEPARATION STATION AND FOR RENDERING EFFECTIVE SAID PULSING UNIT FOR CONTINUING THE ADVANCMENT OF THE SUPPORT IN STEPWISE MOVEMENTS TO THE SHEET SEPARATION STATION, A SENSING TUBE HAVING AN ORIFICE ADJACENT TO SAID SHEET SEPARATION STATION FOR DISCHARGING AIR TOWARD THE ADVANCING SHEET STACK, THE ADVANCING SHEET
Claim 2
Dependent Claim
160 words
A SHEET FEEDING APPARATUS COMPRISING, A SUPPORT FOR A STACK OF SHEETS, AN ELECTRIC DRIVE MOTOR COUPLED TO SAID SUPPORT, ELECTRICAL CIRCUIT MEANS OPERABLE FOR ROTATING SAID MOTOR AT SUBSTANTIALLY FULL SPEED FOR ADVANCING SAID SUPPORT AT HIGH SPEED FROM A SHEET STACK LOADING STATION TOWARD A SHEET SEPARATION STATION, A PULSING UNIT FOR OPENING AND CLOSING SAID CIRCUIT AT INTERVALS TO EFFECT INTERMITTENT ROTATION OF SAID MOTOR IN STEPWISE MOVEMENTS EACH A PART OF A REVOLUTION AND NORMALLY INEFFECTIVE WHEN SAID SUPPORT IS AT THE LOADING STATION, SWITCHING MEANS ACTUATED BY MOVEMENT OF SAID SUPPORT FOR STOPPING FULLSPEED ROTATION OF SAID MOTOR WHEN THE SUPPORT IS A SHORT DISTANCE FROM THE SHEET SEPARATION STATION AND FOR RENDERING EFFECTIVE SAID PULSING UNIT FOR CONTINUING THE ADVANCMENT OF THE SUPPORT IN STEPWISE MOVEMENTS TO THE SHEET SEPARATION STATION, A SENSING TUBE HAVING AN ORIFICE ADJACENT TO SAID SHEET SEPARATION STATION FOR DISCHARGING AIR TOWARD THE ADVANCING SHEET STACK, THE ADVANCING SHEET
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |