Swedish patent classifications
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The 2012 version of the DE and SE class 77 is shown here: https://www.prv.se/globalassets/dokument/patent/spd/klassystem/dpk/dpken/77.pdf Most of aeronautics and aviation are out of it by then. It's not clear where they went yet.
We don't have much on the Swedish system at the time of early aero yet, but we can collect examples from espacenet with URLs following the pattern below, just changing the number, to see a number of the categories. The total number 89 suggests it's an exact match for the German system but somehow didn't look like it at the detailed level.
- 4a: 23200, 23247
- 9b: 23201, 23248
- 10a: 23202
- 11a1: 23206
- 11b5: 23205
- 11b6: 23207 electric
- 11d: 23203 : 23204 : 23210
- 11e1: 23208
- 11e2: 23209
- 11g: 23249
- 12b2: 23250
- 15c: 23251
- 16b: 23252
- 16c: 23253
- 17a3: 23212, 23254
- 17c: 23211 coffee extract?
- 19a: 23213
- 26c: 23255
- 28g1: 23214
- 30c1: 23216
- 30c2: 23215, 23256
- 50g: 23276
- 51b: 31004, 1910, Anordning vid halpresser (Device for presses)
- 59: 23278
- 62c: 23234
- 62e: 23279
- 62k: 23281
- 62m: 23283, 1907, Anordning for krutgasers aflagsnande ur eldror (Device for gun gas deposition clock fire; or Apparatus for the extraction of gunpowder gas from an electric tube; or Apparatus for powder gas decomposition clock); 23280
- 73a: 23235
- 75a: 23284, 1904, Anordning vid slamcentrifuger (Device for sludge centrifuges); 23284, IPC=CPC=IPC1-7=CPC A01F15/10, 1906
- 77a: 23195
- 77c: 23236
- 78b: 23196
- 79a: 23237
- 79c: 23239
- 79e: 23238
- 84: 23240, 23241
- 86d: 23242
- 87b: 23243
- 87d: 23197
- 88c: 23246
- 88e: 23244
- 88f: 23245, 23198
- 89c: 23199
This wiki has 0 patents in category "Swedish patent classifications".
| Enclosing categories | Patent category systems |
|---|---|
| Subcategories | SE 70a |
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| Start year | |
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