Patent US3608904A successfully refreshed from Google Patents.
US3608904A
Expired / Lapsed
US
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Set of chess pieces
Assignee: Individual
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Filing: 1968-06-18
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Granted: 1971-09-28
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Expires: 1988-06-18
Abstract
Abstract A chess set comprising reversible pieces which are squares of about the same size as the squares on the playing board, the said pieces having on one side the name and symbol of the piece and on the opposite side the name and move of the piece, and on each lateral side two relatively inverted indicia thereon facing in opposite directions, the thickness of the piece being substantially less than its width, and said indicia consisting of the first letter of the name of the piece, one indicia being upright no matter which face is up.
Inventors
- 👤 Desmond W Margetson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:20
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/00697; A63F2003/00845; A63F2003/00858; A63F3/02; A63F3/022; A63F2003/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A chess set comprising reversible chess pieces in the form of uniform squares about the size of the squares on the board to be used and whose height is substantially less than the width of the square, the said reversible pieces having on one face an indicia showing a standard picture symbol of the individual piece and on the opposite face an indicia showing the name and move of the piece and on each lateral side two relatively inverted indicia identifying the piece and facing in opposite directions so one indicia is right side up no matter which face is up.
Claim 2
Dependent Claim
101 words
A chess set comprising reversible chess pieces in the form of uniform squares about the size of the squares on the board to be used and whose height is substantially less than the width of the square, the said reversible pieces having on one face an indicia showing a standard picture symbol of the individual piece and on the opposite face an indicia showing the name and move of the piece and on each lateral side two relatively inverted indicia identifying the piece and facing in opposite directions so one indicia is right side up no matter which face is up.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |