Patent US3222827A successfully refreshed from Google Patents.
US3222827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grandstand construction
Assignee: PLAYTIME EQUIPMENT CORP
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Filing: 1962-01-23
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Granted: 1965-12-14
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Paul A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:46
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/12; E04H3/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A MOVABLE GRANDSTAND, A FORWARD SECTION HAVING A HORIZONTAL SEATING SURFACE, ROLLER MEANS PROVIDING VERTICAL SUPPORT FOR SECTION AND DISPOSED IN ROLLING SUPPORT WITH A FLOOR, LEVER MEANS CARRYING SAID ROLLER MEANS AND PIVOTALLY SECURED TO SAID SECTION FOR LOWERING SAID ROLLER MEANS INTO ROLLING SUPPORT WITH SAID FLOOR AND FOR RAISING SAID ROLLER MEANS WHEREBY THE WEIGHT OF SAID SECTION IS TRANSFEARRED FROM SAID ROLLER MEANS TO SAID FLOOR, SPRING MEANS COMPRESSIBLE BETWEEN AN EXTENSION OF SAID LEVER MEANS AND A PORTION OF SAID SECTION FOR PIVOTALLY MOVING SAID ROLLER MEANS INTO ROLLING ENGAGEMENT WITH SAID FLOOR, ACTUATOR MEANS DEPENDING FROM A FORWARD EDGE PORTION OF SAID SEATING SURFACE AND PIVOTALLY SECURED TO SAID FORWARD SECTION, CAM MEANS BY SAID ACTUATOR MEANS, AND ARM MEANS PIVOTALLY SECURED INTERMEDIATE OF
Claim 2
Dependent Claim
131 words
IN A MOVABLE GRANDSTAND, A FORWARD SECTION HAVING A HORIZONTAL SEATING SURFACE, ROLLER MEANS PROVIDING VERTICAL SUPPORT FOR SECTION AND DISPOSED IN ROLLING SUPPORT WITH A FLOOR, LEVER MEANS CARRYING SAID ROLLER MEANS AND PIVOTALLY SECURED TO SAID SECTION FOR LOWERING SAID ROLLER MEANS INTO ROLLING SUPPORT WITH SAID FLOOR AND FOR RAISING SAID ROLLER MEANS WHEREBY THE WEIGHT OF SAID SECTION IS TRANSFEARRED FROM SAID ROLLER MEANS TO SAID FLOOR, SPRING MEANS COMPRESSIBLE BETWEEN AN EXTENSION OF SAID LEVER MEANS AND A PORTION OF SAID SECTION FOR PIVOTALLY MOVING SAID ROLLER MEANS INTO ROLLING ENGAGEMENT WITH SAID FLOOR, ACTUATOR MEANS DEPENDING FROM A FORWARD EDGE PORTION OF SAID SEATING SURFACE AND PIVOTALLY SECURED TO SAID FORWARD SECTION, CAM MEANS BY SAID ACTUATOR MEANS, AND ARM MEANS PIVOTALLY SECURED INTERMEDIATE OF
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |