Patent US3310169A successfully refreshed from Google Patents.
US3310169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Autoamtic paper finishing machine
Assignee: Warren SD Co
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Filing: 1966-03-04
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Granted: 1967-03-21
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Expires: 1986-03-04
Abstract
No abstract record available.
Inventors
- 👤 Forrester Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:40
CPC Classifications
D; D21; D21G; D21G9/00; Y; Y10; Y10S; Y10S209/00; Y10S209/941
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
THE METHOD OF INSPECTING AND SORTING PAPER SHEETS COMPRISING THE FOLLOWING STEPS: (A) INSPECTING A MOVING WEB OF PAPER FOR DEFECTS AND GENERATING A DELAY ACCEPT OR REJECT SIGNAL BASED UPON SAID INSPECTION, (B) CUTTING SAID PAPER WEB INTO SHEETS, (C) DELIVERING ACCEPTABLE SHEETS OVER A PIVOTED REJECT GATE IN ITS LOWERED POSITION, (D) GRIPPING THE DELIVERED ACCEPTABLE SHEETS AND CONVEYING THEM DOWNSTREAM, (E) RAISING THE REJECT GATE IN RESPONSE TO A DELAYED REJECT SIGNAL BEFORE THE TAIL OF THE GRIPPED ACCEPTABLE SHEET NEXT PRECEDING A DEFECTIVE SHEET PASES OVER THE SWINGING END OF THE REJECT GATE, AND (F) DOWNWARDLY DEFLECTING THE FOLLOWING DEFECTIVE SHEETS.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |