Patent US4045022A successfully refreshed from Google Patents.
US4045022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
No-line tennis court
Assignee: Individual
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Filing: 1975-04-23
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Granted: 1977-08-30
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Expires: 1995-04-23
Abstract
Abstract A tennis court wherein the different playing zones thereof defined by the rules of tennis are distinguished by color, as opposed to the conventional use of white stripes to define zone boundaries.
Inventors
- 👤 Geoffrey F. Grant
- 👤 Robert W. Nicks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:44
CPC Classifications
A; A63; A63C; A63C19/00; A63C19/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
383 words
A tennis court for playing singles or doubles tennis in which stripes between zones have been eliminated thereby eliminating two closely spaced lines on opposite edges of the stripes, said court comprising a playing surface; a net dividing said playing surface into a fore court and a far court; said fore court comprising a pair of quadrilaterally shaped near serving zones of different colors abutted to define a boundary line therebetween, said boundary line being defined only by the zone of one near receiving court being a first color and said other near serving zone being of a different color, an end play zone of a different color than said near serve-receiving zones and defining a laterally extending boundary line by the differences in colors between said end play zone and each of said near serving zones, and an end out of bounds zone of a different color than the color of said end play zone and said colors meeting and defining a laterally extending out of bounds boundary line for said near court; said far court comprising a pair of quadrilaterally shaped far serving zones each of different colors and abutted to define a boundary line therebetween only by the differences in colors therebetween, an end play zone of a different color than either of said far serve-receiving zones and defining a laterally extending boundary by the differences in colors between said end play zone and each of said far serving zones, and an end out of bound zone of a different color than the color of said end play zone and said colors meeting and defining therebetween a laterally extending out of bounds boundary line for said far court; a pair of double zones each having a color different than said near court end zone and said far court end zone and different than its abutted serve receiving zones, said colors of said doubles zones and said end zones and abutting serve-receiving zones defining the interior boundary lines for said doubles zones; and a pair of side out of bound zones extending fore and aft along said outer edges of said double zones and being of a different color than its adjacent doubles zones and meeting and defining by said differences in colors the outer side boundaries of said doubles zone.
Claim 2
Dependent Claim
383 words
A tennis court for playing singles or doubles tennis in which stripes between zones have been eliminated thereby eliminating two closely spaced lines on opposite edges of the stripes, said court comprising a playing surface; a net dividing said playing surface into a fore court and a far court; said fore court comprising a pair of quadrilaterally shaped near serving zones of different colors abutted to define a boundary line therebetween, said boundary line being defined only by the zone of one near receiving court being a first color and said other near serving zone being of a different color, an end play zone of a different color than said near serve-receiving zones and defining a laterally extending boundary line by the differences in colors between said end play zone and each of said near serving zones, and an end out of bounds zone of a different color than the color of said end play zone and said colors meeting and defining a laterally extending out of bounds boundary line for said near court; said far court comprising a pair of quadrilaterally shaped far serving zones each of different colors and abutted to define a boundary line therebetween only by the differences in colors therebetween, an end play zone of a different color than either of said far serve-receiving zones and defining a laterally extending boundary by the differences in colors between said end play zone and each of said far serving zones, and an end out of bound zone of a different color than the color of said end play zone and said colors meeting and defining therebetween a laterally extending out of bounds boundary line for said far court; a pair of double zones each having a color different than said near court end zone and said far court end zone and different than its abutted serve receiving zones, said colors of said doubles zones and said end zones and abutting serve-receiving zones defining the interior boundary lines for said doubles zones; and a pair of side out of bound zones extending fore and aft along said outer edges of said double zones and being of a different color than its adjacent doubles zones and meeting and defining by said differences in colors the outer side boundaries of said doubles zone.
Claim 3
Dependent Claim
32 words
A tennis court in accordance with claim 1 in which said diagonally related serving zones are of the same color and said near and far end zones are of the same color.
Claim 4
Dependent Claim
40 words
A tennis court in accordance with claim 1 in which all of the out of bounds zones are of the same color and in which the colors of the other zones are symmetrical about the center of the tennis court.
Claim 5
Dependent Claim
23 words
A tennis court in accordance with claim 1 in which at least a minimum of four different colors are used for said zones.
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) | 1980-08-29 | 1981-02-28 | 1981-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-29 | 1985-02-28 | 1985-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-29 | 1989-02-28 | 1989-08-30 | $7700.00 | Window Closed / Lapsed |