Patent US3741548A successfully refreshed from Google Patents.
US3741548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jig-saw puzzle board with framing inserts having variously shaped openings
Assignee: Individual
•
Filing: 1972-05-10
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Granted: 1973-06-26
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Expires: 1992-05-10
Abstract
Abstract A board for holding jig-saw puzzles having inserts shaped to conform to various sizes and shapes of puzzle. The inserts are slidable in the channels in the board and, when in place, have central openings conforming to contour of the puzzle to be assembled.
Inventors
- 👤 D Kaupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:51
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/10; A63F9/1044
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
65 words
A puzzle board for assembling jig-saw puzzles comprising a board on which the puzzle pieces may be placed, channel members disposed around the ends and sides of said board and a plurality of inserts having outer edges adapted to fit in said channels and having inner edges configured to provide variously shaped openings conforming in contours to the contours of the puzzles to be assembled.
Claim 2
Dependent Claim
65 words
A puzzle board for assembling jig-saw puzzles comprising a board on which the puzzle pieces may be placed, channel members disposed around the ends and sides of said board and a plurality of inserts having outer edges adapted to fit in said channels and having inner edges configured to provide variously shaped openings conforming in contours to the contours of the puzzles to be assembled.
Claim 3
Dependent Claim
44 words
A puzzle board as set forth in claim 1 in which said board is formed in two parts and hinge means is provided for permitting said parts to be folded together about the hinge line for storage or for the insertion of said inserts.
Claim 4
Dependent Claim
40 words
A puzzle board as set forth in claim 2 in which said inserts are each formed in two parts adapted to be inserted in the channels of the respective board parts and together forming the outline of the puzzle contour.
Claim 5
Dependent Claim
38 words
A puzzle board as set forth in claim 3 in which said side channel members are divided at the hinge line for the insertion of the insert parts when the board is partly folded about said hinge line.
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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |