US3768809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal portable arrangement for delineating playing fields for games
Assignee: Individual
•
Filing: 1972-07-27
•
Granted: 1973-10-30
•
Expires: 1992-07-27
Abstract
Abstract Flexible strips having uniformly spaced apertures along their lengths permitting interlocking attachments of the strips for delineating a playing field are disclosed. Various game fields such as for example Hopscotch and Tic-Tac-Toe can be formed with the strips.
Inventors
- 👤 M Ciarfello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:26
CPC Classifications
A; A63; A63C; A63C19/00; A63C19/06; A63B; A63B23/00; A63B23/035; A63B23/04; A63B23/0405; A63B23/0464; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
69 words
A portable playing field delineator comprising a plurality of elongate members delineating a plurality of joined but individual rectangular areas when placed on a substantially flat horizontal area, and each of said elingate members being of flat material rectangular in outline and having pairs of parallel elongate apertures at even intervals along the length thereof adapted for interlocking intersecting sections of said strips which are threaded through said apertures.
Claim 2
Dependent Claim
69 words
A portable playing field delineator comprising a plurality of elongate members delineating a plurality of joined but individual rectangular areas when placed on a substantially flat horizontal area, and each of said elingate members being of flat material rectangular in outline and having pairs of parallel elongate apertures at even intervals along the length thereof adapted for interlocking intersecting sections of said strips which are threaded through said apertures.
Claim 3
Dependent Claim
11 words
The invention recited in claim 1 wherein said material is plastic.
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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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |