Patent US3039771A successfully refreshed from Google Patents.
US3039771A
Expired / Lapsed
US
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Bowling alley for the blind
Assignee: Arthur D Little Inc
•
Filing: 1959-12-28
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Granted: 1962-06-19
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Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 Leon M Bablouzian
- 👤 George H Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:27
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/0009; A63B2071/0027; Y; Y10; Y10S; Y10S273/00; Y10S273/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US559352A
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US1569260A
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US1987000A
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US2202674A
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US2452288A
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US2628098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |