Patent US3238926A successfully refreshed from Google Patents.
US3238926A
Expired / Lapsed
US
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Envelope opening machine
Assignee: Individual
•
Filing: 1961-12-12
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Granted: 1966-03-08
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Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 William F Huck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:12
CPC Classifications
B; B43; B43M; B43M7/00; B43M7/02; Y; Y10; Y10S; Y10S83/00; Y10S83/912; Y10T; Y10T83/00; Y10T83/444; Y10T83/4594; Y10T83/465; Y10T83/4699; Y10T83/4702; Y10T83/647; Y10T83/6584; Y10T83/6592; Y10T83/6598
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN ENVELOPE OPENING MACHINE COMPRISING CONVEYOR MEANS FOR MOVING SUCCESSIVE ENVELOPES DISPOSED FLATWISE THEREON CONTINUOUSLY THROUGH A SUBSTANTIALLY RECTILINEAR PATH CONSTANTLY IN SUBSTANTIAL ALIGNMENT WITH THE PLANE OF EACH ENVELOPE MOVING THEREON, MEANS FOR DEPOSITING ENVELOPES TO BE OPENED ONE AFTER ANOTHER FLATWISE ONTO SAID CONVEYOR MEANS, CONTINUOUSLY ROTATING CROSS-CUTTING MEANS AT ONE LOCATION IN SAID PATH OPERATIVE TO TRIM FROM EACH ENVELOPE THE LEADING EDGE THEREOF DURING MOVEMENT OF THE ENVELOPE BY SAID CONVEYOR MEANS, AND SIDE CUTTING MEANS IN SAID PATH BEYOND SAID CROSS-CUTTING MEANS AND OPERATIVE AS EACH ENVELOPE IS MOVED THROUGH SAID PATH LOCATION, TO TRIM OFF THE OPPOSITE SIDE EDGES OF THE ENVELOPE, WHEREBY EACH ENVELOPE WHILE BEING CONTINUOUSLY MOVED THROUGH SAID PATH IS OPENED ALONG THREE EDGES THEREOF SO AS TO CONSIST OF TOP AND BOTTOM LEAVES JOINED TOGETHER ALONG THE TRAILING EDGE THEREOF WITH THE CONTENTS OF THE ENVELOPES DISPOSED BETWEEN SAID LEAVES.
Claim 2
Dependent Claim
150 words
AN ENVELOPE OPENING MACHINE COMPRISING CONVEYOR MEANS FOR MOVING SUCCESSIVE ENVELOPES DISPOSED FLATWISE THEREON CONTINUOUSLY THROUGH A SUBSTANTIALLY RECTILINEAR PATH CONSTANTLY IN SUBSTANTIAL ALIGNMENT WITH THE PLANE OF EACH ENVELOPE MOVING THEREON, MEANS FOR DEPOSITING ENVELOPES TO BE OPENED ONE AFTER ANOTHER FLATWISE ONTO SAID CONVEYOR MEANS, CONTINUOUSLY ROTATING CROSS-CUTTING MEANS AT ONE LOCATION IN SAID PATH OPERATIVE TO TRIM FROM EACH ENVELOPE THE LEADING EDGE THEREOF DURING MOVEMENT OF THE ENVELOPE BY SAID CONVEYOR MEANS, AND SIDE CUTTING MEANS IN SAID PATH BEYOND SAID CROSS-CUTTING MEANS AND OPERATIVE AS EACH ENVELOPE IS MOVED THROUGH SAID PATH LOCATION, TO TRIM OFF THE OPPOSITE SIDE EDGES OF THE ENVELOPE, WHEREBY EACH ENVELOPE WHILE BEING CONTINUOUSLY MOVED THROUGH SAID PATH IS OPENED ALONG THREE EDGES THEREOF SO AS TO CONSIST OF TOP AND BOTTOM LEAVES JOINED TOGETHER ALONG THE TRAILING EDGE THEREOF WITH THE CONTENTS OF THE ENVELOPES DISPOSED BETWEEN SAID LEAVES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |