Patent US2831689A successfully refreshed from Google Patents.
US2831689A
Expired / Lapsed
US
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Adjustable basketball backboard support
Assignee: Individual
•
Filing: 1956-04-27
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Granted: 1958-04-22
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Expires: 1976-04-27
Abstract
No abstract record available.
Inventors
- 👤 Waldo G Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:00
CPC Classifications
A; A63; A63B; A63B63/00; A63B63/08; A63B63/083; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/285; Y10T292/288; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32467; Y10T403/32475; Y10T403/32483; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |