Patent US4244603A successfully refreshed from Google Patents.
US4244603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book, more particularly pocket dictionary
Assignee: PROTOTYPON ESTABLISHMENT
•
Filing: 1979-05-09
•
Granted: 1981-01-13
•
Expires: 1999-05-09
Abstract
Abstract Book comprising uncreasable and water-proof cards (6) of a thickness remaining constant in time, these cards being produced from plastics, the text thereon being printed by typographic or offset or other process in a manner known per se. The thickness of the cards is comprised between 0.20 and 0.26 mm and polyvinyl chlorides or polystyrene can be used as plastics. Each card has a configuration comprising converging edges (9, 10) at one end provided with a circular cut-out (7) for a prin connecting all the cards (6).
Inventors
- 👤 Laura De Monti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:24
CPC Classifications
B; B42; B42D; B42D3/00; B42D3/10; B42B; B42B5/00; B42B5/02; B42D1/00; B42D1/003; B42D1/008; B42D1/06; B42D3/02; B42F; B42F13/00; B42F13/12
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
162 words
A printed pocket dictionary constructed of an assembly of superposed elongated cards printed on both sides and two conforming external covers, each card and cover radially rotating in its respective plane about a pin threaded through a circular cut-out provided at an end of each of the cards and covers on their axial line, and each card and cover remaining partially in contact with adjacent card or cards, characterized in that: (a) each card is formed of a slidable synthetic resin of the group comprising polyvinylchloride and polystyrene, has at said end, wherein the circular cut-out is provided for the pin, linear edges converging to form a curved apex, and the circular cut-out for the pin is located entirely in the zone with said converging edges such that the minimum width of the margin around said cut-out is at most equal to three quarters of the diameter of said cut-out; and (b) the thickness of each card is at least 0.10 mm.
Claim 2
Dependent Claim
162 words
A printed pocket dictionary constructed of an assembly of superposed elongated cards printed on both sides and two conforming external covers, each card and cover radially rotating in its respective plane about a pin threaded through a circular cut-out provided at an end of each of the cards and covers on their axial line, and each card and cover remaining partially in contact with adjacent card or cards, characterized in that: (a) each card is formed of a slidable synthetic resin of the group comprising polyvinylchloride and polystyrene, has at said end, wherein the circular cut-out is provided for the pin, linear edges converging to form a curved apex, and the circular cut-out for the pin is located entirely in the zone with said converging edges such that the minimum width of the margin around said cut-out is at most equal to three quarters of the diameter of said cut-out; and (b) the thickness of each card is at least 0.10 mm.
Claim 3
Dependent Claim
22 words
A printed pocket dictionary as claimed in claim 1, wherein the thickness of each card is between 0.20 mm and 0.26 mm.
Claim 4
Dependent Claim
44 words
A printed pocket dictionary as claimed in claim 1, wherein the covers are transparent, characterized by said covers being formed of a synthetic resin of the group comprising acrylic resins and polycarbonates, and are shaped as enlarging lens to facilitate reading of the cards.
Claim 5
Dependent Claim
111 words
A printed pocket dictionary as claimed in claim 1, characterized in that one cover is provided with a small hollow cylindrical body, perpendicular to the plane of the cover and formed integral therewith, said cylindrical body forming a pin for the assembly of cards and the other cover, and wherein a supplementary element comprised of a head and a stem is combined with said pin, the stem being inserted in the hollow of the cylindrical pin body such that the free edge of the cylindrical body enters a circular recess in the lower portion of the head and achieved by means of a circular peripheric shoulder thereon parallel to the stem.
Claim 6
Dependent Claim
74 words
A printed pocket dictionary as claimed in claim 1, characterized in that it has a locking device comprised of a plastics strip connected on one side to the pin and provided on the other side with a clamping housing to resiliently clamp the assembly of cards and covers in a folded position, holding it securely by means of a shoulder directed inwards of the housing and provided on each one of the clamping arms.
Claim 7
Dependent Claim
23 words
A printed pocket dictionary as claimed in claim 5, characterized in that the locking device, with its clamping housing, has an annular shape.
References Cited (Backward Citations)
US871610A
Cited
US1070957A
Cited
GB489237A
Cited
US2290266A
Cited
GB570789A
Cited
US2572703A
Cited
US3087498A
Cited
US3140883A
Cited
GB1062012A
Cited
GB1291866A
Cited
US3740128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-01-13 | 1984-07-14 | 1985-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-13 | 1988-07-14 | 1989-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-13 | 1992-07-14 | 1993-01-13 | $7700.00 | Window Closed / Lapsed |