Patent US3093371A successfully refreshed from Google Patents.
US3093371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bottom feed apparatus for sheet handling equipment
Assignee: Didde Glaser Inc
•
Filing: 1961-10-30
•
Granted: 1963-06-11
•
Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Donald A Glaser
- 👤 Leonard C Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:31
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/08; B65H3/0808; B65H3/085; B65H3/0858; B65H3/0866
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
FEED APPARATUS FOR SHEET HANDLING EQUIPMENT COMPRISING STRUCTURE PROVIDED WITH AN INCLINED SURFACE HAVING A LOWER MARGINAL EDGE AND ADAPTED FOR SUPPORTING A STACK OF SHEETS WITH PORTIONS OF SAID SHEETS PROJECTING OUTWARDLY THEREFROM; MEANS HAVING A LATERAL PROJECTION THEREON SPACED FROM SAID MARGINAL EDGE AND DISPOSED WITH THE PROJECTION BENEATH AND IN SUPPORTING RELATIONSHIP TO THE PORTION OF THE LOWERMOST SHEET OF THE STACK FOR SUPPORTING THE PORTIONS OF THE STACK; SUCTION MEANS SHIFTABLY CARRIED BY SAID STRUCTURE FOR ENGAGING THE LOWERMOST OF SAID SHEETS AND FOR SHIFTING THE PORTION OF THE LATTER DOWNWARDLY; MEANS CARRIED BY SAID STRUCTURE AND MOVABLE INTO THE SPACE BETWEEN SAID MARGINAL EDGE AND SAID PROJECTION FOR AUGMENTING THE SUPPORTING ACTION OF SAID PROJECTION AFTER THE PORTION OF THE LOWERMOST SHEET IS SHIFTED DOWNWARDLY UNDER THE INFLUENCE OF SAID SHIFTING MEANS; AND MEANS ADJACENT SAID EDGE AND ENGAGEABLE WITH THE DOWNWARDLY SHIFTED PORTION OF SAID LOWERMOST SHEET FOR ADVANCING THE LATTER AWAY FROM SAID EDGE AND SAID STACK.
Claim 2
Dependent Claim
164 words
FEED APPARATUS FOR SHEET HANDLING EQUIPMENT COMPRISING STRUCTURE PROVIDED WITH AN INCLINED SURFACE HAVING A LOWER MARGINAL EDGE AND ADAPTED FOR SUPPORTING A STACK OF SHEETS WITH PORTIONS OF SAID SHEETS PROJECTING OUTWARDLY THEREFROM; MEANS HAVING A LATERAL PROJECTION THEREON SPACED FROM SAID MARGINAL EDGE AND DISPOSED WITH THE PROJECTION BENEATH AND IN SUPPORTING RELATIONSHIP TO THE PORTION OF THE LOWERMOST SHEET OF THE STACK FOR SUPPORTING THE PORTIONS OF THE STACK; SUCTION MEANS SHIFTABLY CARRIED BY SAID STRUCTURE FOR ENGAGING THE LOWERMOST OF SAID SHEETS AND FOR SHIFTING THE PORTION OF THE LATTER DOWNWARDLY; MEANS CARRIED BY SAID STRUCTURE AND MOVABLE INTO THE SPACE BETWEEN SAID MARGINAL EDGE AND SAID PROJECTION FOR AUGMENTING THE SUPPORTING ACTION OF SAID PROJECTION AFTER THE PORTION OF THE LOWERMOST SHEET IS SHIFTED DOWNWARDLY UNDER THE INFLUENCE OF SAID SHIFTING MEANS; AND MEANS ADJACENT SAID EDGE AND ENGAGEABLE WITH THE DOWNWARDLY SHIFTED PORTION OF SAID LOWERMOST SHEET FOR ADVANCING THE LATTER AWAY FROM SAID EDGE AND SAID STACK.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |