US3026239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope stripping device
Assignee: Individual
•
Filing: 1961-01-03
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Granted: 1962-03-20
•
Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Charles E Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:03
CPC Classifications
B; B41; B41L; B41L1/00; Y; Y10; Y10S; Y10S156/00; Y10S156/934; Y10T; Y10T156/00; Y10T156/19; Y10T156/1978; Y10T156/1983; Y10T225/00; Y10T225/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ENVELOPE STRIPPING DEVICE COMPRISING, A METAL SHEET, MEANS TO MAINTAIN SAID SHEET ABOVE AND LATERALLY AGAINST A HORIZONTAL SUPPORTING MEMBER, SAID SHEET HAVING A TRANSVERSELY EXTENDING SLOT, WHEREBY ENVELOPES ATTACHED ADJACENT EACH OTHER IN OVERLAPPING RELATION TO A BACKING SHEET MAY BE SEPARATED FROM SAID BACKING SHEET BY DRAWING SAID BACKING SHEET FROM ABOVE THE METAL SHEET THROUGH SAID TRANSVERSE SLOT AND FROM BELOW SAID METAL SHEET, AND THE ENVELOPES MAY ATTACK ON SAID SHEET.
Claim 2
Dependent Claim
76 words
AN ENVELOPE STRIPPING DEVICE COMPRISING, A METAL SHEET, MEANS TO MAINTAIN SAID SHEET ABOVE AND LATERALLY AGAINST A HORIZONTAL SUPPORTING MEMBER, SAID SHEET HAVING A TRANSVERSELY EXTENDING SLOT, WHEREBY ENVELOPES ATTACHED ADJACENT EACH OTHER IN OVERLAPPING RELATION TO A BACKING SHEET MAY BE SEPARATED FROM SAID BACKING SHEET BY DRAWING SAID BACKING SHEET FROM ABOVE THE METAL SHEET THROUGH SAID TRANSVERSE SLOT AND FROM BELOW SAID METAL SHEET, AND THE ENVELOPES MAY ATTACK ON SAID SHEET.
References Cited (Backward Citations)
US2276297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |