DE294427C - - Google Patents
Info
- Publication number
- DE294427C DE294427C DENDAT294427D DE294427DA DE294427C DE 294427 C DE294427 C DE 294427C DE NDAT294427 D DENDAT294427 D DE NDAT294427D DE 294427D A DE294427D A DE 294427DA DE 294427 C DE294427 C DE 294427C
- Authority
- DE
- Germany
- Prior art keywords
- knife
- guide rail
- envelope
- cut
- letter opener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007787 solid Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
- B43M7/00—Devices for opening envelopes
- B43M7/002—Hand tools
Landscapes
- Knives (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE294427C true DE294427C (enrdf_load_stackoverflow) |
Family
ID=548985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT294427D Active DE294427C (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE294427C (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4026295A (en) * | 1975-06-19 | 1977-05-31 | Lieberman David M | Surgical knife |
-
0
- DE DENDAT294427D patent/DE294427C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4026295A (en) * | 1975-06-19 | 1977-05-31 | Lieberman David M | Surgical knife |
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