Patent US4222568A successfully refreshed from Google Patents.
US4222568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf game device including distortable playing surface
Assignee: Individual
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Filing: 1978-11-06
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Granted: 1980-09-16
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Expires: 1998-11-06
Abstract
Abstract A portable golf practice putting green having a bendable playing floor in which the contours of the practice green may be changed at will by adjustments under the floor or by a knob at the rear of the playing surface connected to one end of an elongated operating shaft. The other end of the shaft is provided with a mechanical rack and pinion for selective bending of the playing floor.
Inventors
- 👤 Olerio Russo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:03
CPC Classifications
A; A63; A63B; A63B67/00; A63B67/02; A63B2067/025
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
123 words
A golf practice putting green comprising a platform having a rear reinforced rigid section putting area and a forward bendable floor section, said bendable floor section being provided with a hole therethrough for the reception of a golf ball, and a ball return chute for receiving the ball dropping through said hole, means adjacent to said rear reinforced section for collecting said ball, at least one rigid member located underneath said bendable floor, a rack and pinion arrangement being supported on said rigid member and adapted to engage the unsupported undersurface of said bendable floor for selectively adjusting the contour of said floor, and a shaft operable at the rear reinforced section putting area and connected to said means for adjusting the same.
Claim 2
Dependent Claim
123 words
A golf practice putting green comprising a platform having a rear reinforced rigid section putting area and a forward bendable floor section, said bendable floor section being provided with a hole therethrough for the reception of a golf ball, and a ball return chute for receiving the ball dropping through said hole, means adjacent to said rear reinforced section for collecting said ball, at least one rigid member located underneath said bendable floor, a rack and pinion arrangement being supported on said rigid member and adapted to engage the unsupported undersurface of said bendable floor for selectively adjusting the contour of said floor, and a shaft operable at the rear reinforced section putting area and connected to said means for adjusting the same.
Claim 3
Dependent Claim
34 words
A golf practice putting green as claimed in claim 1 wherein the free end of said shaft is provided with a knob for rotation of said shaft as well as the pinion worm gear.
Claim 4
Dependent Claim
19 words
A golf practice green as set forth in claim 1 wherein said bendable floor is a relatively thin plywood.
Claim 5
Dependent Claim
18 words
A golf practice green as set forth in claim 1 wherein said bendable floor is a plastic sheet.
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) | 1983-09-16 | 1984-03-17 | 1984-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-16 | 1988-03-17 | 1988-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-16 | 1992-03-17 | 1992-09-16 | $7700.00 | Window Closed / Lapsed |