US3290780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opener for letters, packages, and the like
Assignee: Individual
•
Filing: 1966-03-21
•
Granted: 1966-12-13
•
Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Delton D Oehlert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:18
CPC Classifications
B; B43; B43M; B43M7/00; B43M7/002; Y; Y10; Y10S; Y10S30/00; Y10S30/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN OPENER FOR LETTERS, PACKAGES, AND THE LIKE COMPRISING: (A) A ONE PIECE BODY FORMED FROM FLAT RIGID MATERIAL HAVING A HANDLE RECEIVING PORTION EXTENDING OUTWARDLY THEREFROM AND INTEGRALLY ATTACHED THERETO; (B) AN INTEGRAL BLADE EXTENDING OUTWARDLY FROM SAID BODY APPROXIMATELY PARALLEL TO SAID HANDLE RECEIVING PORTION TO FORM A SLOT THEREBETWEEN WITH THE EDGE OF SAID BLADE ADJACENT SAID HANDLE RECEIVING PORTION BEING SLANTED SLIGHTLY AWAY FROM SAID HANDLE RECEIVING PORTION AS IT PROGRESSES OUTWARDLY FROM SAID BODY; (C) THE EDGE OF SAID BLADE ADJACENT SAID HANDLE RECEIVING PORTION HAVING A PORTION THEREOF IN JUXTAPOSITION TO SAID BODY SHARPENED TO FORM A KNIFE EDGE; AND (D) A HANDLE ATTACHED TO SAID HANDLE RECEIVING PORTION OF SAID BODY SO THAT AN EDGE THEREOF FORMS ONE SIDE OF SAID SLOT AND THE HANDLE EXTENDS OUTWARDLY FROM SAID BODY SOMEWHAT FARTHER THAN SAID BLADE.
Claim 2
Dependent Claim
142 words
AN OPENER FOR LETTERS, PACKAGES, AND THE LIKE COMPRISING: (A) A ONE PIECE BODY FORMED FROM FLAT RIGID MATERIAL HAVING A HANDLE RECEIVING PORTION EXTENDING OUTWARDLY THEREFROM AND INTEGRALLY ATTACHED THERETO; (B) AN INTEGRAL BLADE EXTENDING OUTWARDLY FROM SAID BODY APPROXIMATELY PARALLEL TO SAID HANDLE RECEIVING PORTION TO FORM A SLOT THEREBETWEEN WITH THE EDGE OF SAID BLADE ADJACENT SAID HANDLE RECEIVING PORTION BEING SLANTED SLIGHTLY AWAY FROM SAID HANDLE RECEIVING PORTION AS IT PROGRESSES OUTWARDLY FROM SAID BODY; (C) THE EDGE OF SAID BLADE ADJACENT SAID HANDLE RECEIVING PORTION HAVING A PORTION THEREOF IN JUXTAPOSITION TO SAID BODY SHARPENED TO FORM A KNIFE EDGE; AND (D) A HANDLE ATTACHED TO SAID HANDLE RECEIVING PORTION OF SAID BODY SO THAT AN EDGE THEREOF FORMS ONE SIDE OF SAID SLOT AND THE HANDLE EXTENDS OUTWARDLY FROM SAID BODY SOMEWHAT FARTHER THAN SAID BLADE.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |