Patent US3072398A successfully refreshed from Google Patents.
US3072398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile lift assembly
Assignee: Didde Glaser Inc
•
Filing: 1960-05-09
•
Granted: 1963-01-08
•
Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Cozad
- 👤 Carl W Didde
- 👤 Donald A Glaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:10
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/08; B65H1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A LIFT ASSEMBLY, THE COMBINATION OF SHIFTABLE MEANS FOR SUPPORTING A STACK OF INDIVIDUAL SHEETS OF MATERIAL INCLUDING AN ENDLESS CONVEYOR, AND A TABLE SUPPORTED ON SAID CONVEYOR FOR MOVEMENT THEREWITH, SAID TABLE SUPPORTING SAID STACK; REVERSIBLE DRIVING MEANS COUPLED WITH SAID SHIFTABLE MEANS FOR DRIVING SAID SHIFTABLE MEANS ALONG A PRESELECTED PATH OF TRAVEL INCLUDING A SOURCE OF MOTIVE FORCE, REVERSIBLE TRANSMISSION MEANS COUPLED WITH SAID SOURCE OF MOTIVE FORCE, AND MEANS COUPLED WITH SAID TRANSMISSION MEANS AND SAID ENDLESS CONVEYOR FOR TRANSFERRING DRIVING FORCE FROM SAID SOURCE TO SAID ENDLESS CONVEYOR; SENSING MEANS RESPONSIVE TO THE POSITION OF SAID STACK COUPLED WITH SAID SOURCE OF MOTIVE FORCE FOR INTERMITTENTLY ACTUATING THE SOURCE TO DRIVE SAID CONVEYOR IN ONE DIRECTION; AND MEANS COUPLED WITH SAID DRIVING MEANS FOR OVERRIDING SAID SENSING MEANS INCLUDING AN ELECTRICAL SWITCH, ELECTRICALLY RESPONSIVE CLUTCHING MEANS FOR REVERSING SAID TRANSMISSION MEANS, AND CIRCUIT MEANS COUPLING SAID SWITCH WITH SAID ELECTRICALLY RESPONSIVE CLUTCHING MEANS.
Claim 2
Dependent Claim
159 words
IN A LIFT ASSEMBLY, THE COMBINATION OF SHIFTABLE MEANS FOR SUPPORTING A STACK OF INDIVIDUAL SHEETS OF MATERIAL INCLUDING AN ENDLESS CONVEYOR, AND A TABLE SUPPORTED ON SAID CONVEYOR FOR MOVEMENT THEREWITH, SAID TABLE SUPPORTING SAID STACK; REVERSIBLE DRIVING MEANS COUPLED WITH SAID SHIFTABLE MEANS FOR DRIVING SAID SHIFTABLE MEANS ALONG A PRESELECTED PATH OF TRAVEL INCLUDING A SOURCE OF MOTIVE FORCE, REVERSIBLE TRANSMISSION MEANS COUPLED WITH SAID SOURCE OF MOTIVE FORCE, AND MEANS COUPLED WITH SAID TRANSMISSION MEANS AND SAID ENDLESS CONVEYOR FOR TRANSFERRING DRIVING FORCE FROM SAID SOURCE TO SAID ENDLESS CONVEYOR; SENSING MEANS RESPONSIVE TO THE POSITION OF SAID STACK COUPLED WITH SAID SOURCE OF MOTIVE FORCE FOR INTERMITTENTLY ACTUATING THE SOURCE TO DRIVE SAID CONVEYOR IN ONE DIRECTION; AND MEANS COUPLED WITH SAID DRIVING MEANS FOR OVERRIDING SAID SENSING MEANS INCLUDING AN ELECTRICAL SWITCH, ELECTRICALLY RESPONSIVE CLUTCHING MEANS FOR REVERSING SAID TRANSMISSION MEANS, AND CIRCUIT MEANS COUPLING SAID SWITCH WITH SAID ELECTRICALLY RESPONSIVE CLUTCHING MEANS.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |