US3108801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for conducting postal articles, forms or the like
Assignee: Government of Netherlands
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Filing: 1961-06-27
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Granted: 1963-10-29
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Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Christiaan Johannes Van Dalen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:04
CPC Classifications
B; B65; B65H; B65H7/00; B65H7/02; B65H7/14; B07; B07C; B07C1/00; B07C1/02; B07C1/04; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/423; B65H2301/4237; B65H2511/00; B65H2511/20; B65H2511/22; B65H2513/00; B65H2513/50; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A DEVICE FOR CONDUCTING SHEETS SUCCESSIVELY ALONG A PATH AT A PREDETERMINED DISTANCE APART FROM A PILE OF SAID SHEETS, COMPRISING: (A) A CONVEYOR BELT CONTINUOUSLY MOVING TRANSVERSELY OF THE END OF SAID PILE, (B) RECIPROCAL MEANS FOR INTERMITTENTLY RETRACTING AND FRICTIONALLY ENGAGING SAID BELT WITH THE SHEET AT THE END OF SAID PILE FOR ITS REMOVAL FROM SAID PILE AND MOVEMENT BY SAID CONVEYOR ALONG SAID PATH, AND (C) SWITCHING MEANS OPERATED BY SAID REMOVED SHEET FOR CONTROLLING THE RETRACTION AND ENGAGEMENT OF SAID RECIPROCAL MEANS TO PREVENT THE ENGAGEMENT OF THE NEXT SHEET IN SAID PILE UNTIL SAID REMOVED SHEET IS MOVED PAST SAID SWITCHING MEANS BY SAID CONVEYOR BELT.
Claim 2
Independent Claim
112 words
A DEVICE FOR CONDUCTING SHEETS SUCCESSIVELY ALONG A PATH AT A PREDETERMINED DISTANCE APART FROM A PILE OF SAID SHEETS, COMPRISING: (A) A CONVEYOR BELT CONTINUOUSLY MOVING TRANSVERSELY OF THE END OF SAID PILE, (B) RECIPROCAL MEANS FOR INTERMITTENTLY RETRACTING AND FRICTIONALLY ENGAGING SAID BELT WITH THE SHEET AT THE END OF SAID PILE FOR ITS REMOVAL FROM SAID PILE AND MOVEMENT BY SAID CONVEYOR ALONG SAID PATH, AND (C) SWITCHING MEANS OPERATED BY SAID REMOVED SHEET FOR CONTROLLING THE RETRACTION AND ENGAGEMENT OF SAID RECIPROCAL MEANS TO PREVENT THE ENGAGEMENT OF THE NEXT SHEET IN SAID PILE UNTIL SAID REMOVED SHEET IS MOVED PAST SAID SWITCHING MEANS BY SAID CONVEYOR BELT.
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) | 1966-10-28 | 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 |