US3225441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope shear
Assignee: Letter Lover Inc
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Filing: 1963-04-24
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Granted: 1965-12-28
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Expires: 1983-04-24
Abstract
No abstract record available.
Inventors
- 👤 Dwight G Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:26
CPC Classifications
B; B26; B26B; B26B27/00; Y; Y10; Y10S; Y10S30/00; Y10S30/03; Y10S83/00; Y10S83/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
221 words
AN ENVELOPE SHEAR CONSISTING OF UPPER AND LOWER SHEARING BLADES, AN ENLARGED BASE, A VERTICAL ELONGATED SLOT THROUGH SAID BASE, SAID LOWER BLADE BEING LOCATED WITHIN SAID SLOT AND FIXEDLY SECURED TO ONE SIDE THEREOF WITH THE SEVERING EDGE OF THE LOWER BLADE BEING POSITIONED IN SUBSTANTIALLY THE SAME PLANE AS THE TOP OF THE BASE, MEANS PIVOTALLY MOUNTING THE UPPER BLADE FOR MOVEMENT, FROM A GENERALLY RAISED POSITION RELATIVE TO THE LOWER BLADE, PAST THE LOWER BLADE IN A PLANE PARALLEL TO THE PLANE OF THE LOWER BLADE IN A MANNER SO AS TO SEVER A PORTION OF AN ENVELOPE POSITIONED THEREBETWEEN, MEANS RESILIENTLY BIASING THE UPPER BLADE AWAY FROM THE LOWER BLADE, REMOVABLE MEANS CLOSING THE BOTTOM OF THE SLOT SO AS TO RETAIN SEVERED PORTIONS THEREIN, A RESILIENT STOP PROJECTING FROM THE PLANE OF THE SIDE OF THE SLOT OPPOSITE FROM THE SIDE TO WHICH THE LOWER BLADE IS SECURED SO AS TO ACT AS A LIMIT TO THE INSERTION OF AN ENVELOPE BETWEEN THE BLADES, THE ENVELOPE TO BE SHEARED BEING ABUTTED AGAINST SAID STOP, AND MAEANS FOR FLEXING EACH PORTION OF THE STOP DOWNWARDLY AND REARWARDLY AWAY FROM THE LOWE BLADE UPON THE SEVERING OF THAT PART OF THE ENVELOPE ENGAGED THEREAGAINST SO AS TO ASSIST IN THE DISCHARGE OF THE SEVER PORTION OF THE ENVELOPE.
Claim 2
Dependent Claim
221 words
AN ENVELOPE SHEAR CONSISTING OF UPPER AND LOWER SHEARING BLADES, AN ENLARGED BASE, A VERTICAL ELONGATED SLOT THROUGH SAID BASE, SAID LOWER BLADE BEING LOCATED WITHIN SAID SLOT AND FIXEDLY SECURED TO ONE SIDE THEREOF WITH THE SEVERING EDGE OF THE LOWER BLADE BEING POSITIONED IN SUBSTANTIALLY THE SAME PLANE AS THE TOP OF THE BASE, MEANS PIVOTALLY MOUNTING THE UPPER BLADE FOR MOVEMENT, FROM A GENERALLY RAISED POSITION RELATIVE TO THE LOWER BLADE, PAST THE LOWER BLADE IN A PLANE PARALLEL TO THE PLANE OF THE LOWER BLADE IN A MANNER SO AS TO SEVER A PORTION OF AN ENVELOPE POSITIONED THEREBETWEEN, MEANS RESILIENTLY BIASING THE UPPER BLADE AWAY FROM THE LOWER BLADE, REMOVABLE MEANS CLOSING THE BOTTOM OF THE SLOT SO AS TO RETAIN SEVERED PORTIONS THEREIN, A RESILIENT STOP PROJECTING FROM THE PLANE OF THE SIDE OF THE SLOT OPPOSITE FROM THE SIDE TO WHICH THE LOWER BLADE IS SECURED SO AS TO ACT AS A LIMIT TO THE INSERTION OF AN ENVELOPE BETWEEN THE BLADES, THE ENVELOPE TO BE SHEARED BEING ABUTTED AGAINST SAID STOP, AND MAEANS FOR FLEXING EACH PORTION OF THE STOP DOWNWARDLY AND REARWARDLY AWAY FROM THE LOWE BLADE UPON THE SEVERING OF THAT PART OF THE ENVELOPE ENGAGED THEREAGAINST SO AS TO ASSIST IN THE DISCHARGE OF THE SEVER PORTION OF THE ENVELOPE.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |