Patent US4667241A successfully refreshed from Google Patents.
Patent US3145509A successfully refreshed from Google Patents.
US3145509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling device for automatic machines especially woodworking machines
Assignee: Individual
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Filing: 1961-07-11
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Granted: 1964-08-25
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Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Heesemann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:09
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A BELT GRINDER OR THE LIKE, A POWER CONVEYOR MEANS FOR FEEDING A WORKPIECE THROUGH A PATH OF TRAVEL PAST A WORK STATION, TOOL MEANS AT SAID WORK STATION, POWER MEANS OPERATIVELY CONNECTED TO TOOL MEANS FOR MOVING SAID TOOL MEANS WITH RESPECT TO SAID PATH OF TRAVEL FOR ENGAGEMENT WITH A WORKPIECE ON SAID CONVEYOR MEANS; THE IMPROVEMENT COMPRISING A TIMING SWITCH CONTROL DEVICE OPERATIVELY CONNECTED TO SAID POWER CONVEYOR MEANS FOR OPERATION IN RELATION TO OPERATION OF SAID POWER CONVEYOR MEANS AND A WORKPIECE THEREON, SAID TIMING SWITCH CONTROL DEVICE INCLUDING TIMING SWITCHES FOR SEQUENTIALLY CONTROLLING THE OPERATIVE AND INOPERATIVE POSITIONS OF SAID POWER MEANS FOR SAID TOOL MEANS, AND AN ACTUATOR SWITCH MEANS DISPOSED ADJACENT THE PATH OF TRAVEL OF SAID POWER CONVEYOR MEANS FOR ENGAGING SAID WORKPIECE THERE-
Claim 2
Dependent Claim
133 words
IN A BELT GRINDER OR THE LIKE, A POWER CONVEYOR MEANS FOR FEEDING A WORKPIECE THROUGH A PATH OF TRAVEL PAST A WORK STATION, TOOL MEANS AT SAID WORK STATION, POWER MEANS OPERATIVELY CONNECTED TO TOOL MEANS FOR MOVING SAID TOOL MEANS WITH RESPECT TO SAID PATH OF TRAVEL FOR ENGAGEMENT WITH A WORKPIECE ON SAID CONVEYOR MEANS; THE IMPROVEMENT COMPRISING A TIMING SWITCH CONTROL DEVICE OPERATIVELY CONNECTED TO SAID POWER CONVEYOR MEANS FOR OPERATION IN RELATION TO OPERATION OF SAID POWER CONVEYOR MEANS AND A WORKPIECE THEREON, SAID TIMING SWITCH CONTROL DEVICE INCLUDING TIMING SWITCHES FOR SEQUENTIALLY CONTROLLING THE OPERATIVE AND INOPERATIVE POSITIONS OF SAID POWER MEANS FOR SAID TOOL MEANS, AND AN ACTUATOR SWITCH MEANS DISPOSED ADJACENT THE PATH OF TRAVEL OF SAID POWER CONVEYOR MEANS FOR ENGAGING SAID WORKPIECE THERE-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |