FR677235A - Perfectionnements aux carnets, livres ou analogues à feuillets détachables - Google Patents
Perfectionnements aux carnets, livres ou analogues à feuillets détachablesInfo
- Publication number
- FR677235A FR677235A FR677235DA FR677235A FR 677235 A FR677235 A FR 677235A FR 677235D A FR677235D A FR 677235DA FR 677235 A FR677235 A FR 677235A
- Authority
- FR
- France
- Prior art keywords
- notebooks
- books
- tear
- sheets
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F13/00—Filing appliances with means for engaging perforations or slots
- B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
- B42F13/20—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
- B42F13/22—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed
- B42F13/26—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed and locked when so engaged, e.g. snap-action
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB38387/28A GB325061A (en) | 1928-12-29 | 1928-12-29 | Improvements in loose leaf books and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
FR677235A true FR677235A (fr) | 1930-03-05 |
Family
ID=10403143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR677235D Expired FR677235A (fr) | 1928-12-29 | 1929-06-24 | Perfectionnements aux carnets, livres ou analogues à feuillets détachables |
Country Status (3)
Country | Link |
---|---|
US (1) | US1815511A (fr) |
FR (1) | FR677235A (fr) |
GB (1) | GB325061A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2571945A (en) * | 1946-05-16 | 1951-10-16 | Boorum And Pease Company | Loose-leaf binder |
US2871863A (en) * | 1956-09-24 | 1959-02-03 | Wilson Jones Co | Opening and closing levers for ring binders |
US3205896A (en) * | 1962-10-18 | 1965-09-14 | Weichert Willi Fritz Carl | Mechanism for a loose-leaf book |
DE1221194B (de) * | 1963-10-10 | 1966-07-21 | Krause Kg Robert | Ringmechanik |
-
1928
- 1928-12-29 GB GB38387/28A patent/GB325061A/en not_active Expired
-
1929
- 1929-06-22 US US372850A patent/US1815511A/en not_active Expired - Lifetime
- 1929-06-24 FR FR677235D patent/FR677235A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1815511A (en) | 1931-07-21 |
GB325061A (en) | 1930-02-13 |
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