US3289367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grandstands
Assignee: Individual
•
Filing: 1964-03-30
•
Granted: 1966-12-06
•
Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Mackintosh Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:09
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A GRANDSTAND STRUCTURE COMPRISING A SUPPORTING FRAMEWORK, A STEPPED SHEET METAL DECK STRUCTURE, AND SEATING MEANS SUPPORTED THEREBY, SAID DECK STRUCTURE COMPRISING ALTERNATING TREAD AND MODIFIED RISER PORTIONS, SAID TREAD PORTIONS BEING SOMEWHAT NARROWED TO PROVIDE ONLY THE TRANSVERSE WALKWAY WIDTH NEEDED FOR COMFORTABLE PASSAGE THEREALONG, SAID RISER PORTIONS BEING INCLINED TO PROVIDE FORWARDLY AND DOWNWARDLY SLOPING AREAS, AND MEANS SECURING SAID SEATING MEANS TO SAID SLOPING RISER PORTIONS ONLY OF THE DECK.
Claim 2
Dependent Claim
73 words
A GRANDSTAND STRUCTURE COMPRISING A SUPPORTING FRAMEWORK, A STEPPED SHEET METAL DECK STRUCTURE, AND SEATING MEANS SUPPORTED THEREBY, SAID DECK STRUCTURE COMPRISING ALTERNATING TREAD AND MODIFIED RISER PORTIONS, SAID TREAD PORTIONS BEING SOMEWHAT NARROWED TO PROVIDE ONLY THE TRANSVERSE WALKWAY WIDTH NEEDED FOR COMFORTABLE PASSAGE THEREALONG, SAID RISER PORTIONS BEING INCLINED TO PROVIDE FORWARDLY AND DOWNWARDLY SLOPING AREAS, AND MEANS SECURING SAID SEATING MEANS TO SAID SLOPING RISER PORTIONS ONLY OF THE DECK.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |