Patent US3021995A successfully refreshed from Google Patents.
US2811892A
Expired / Lapsed
US
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Bowling alley scoring and timing projector device
Assignee: AMF Inc
•
Filing: 1954-12-23
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Granted: 1957-11-05
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Expires: 1974-12-23
Abstract
No abstract record available.
Inventors
- 👤 Robert L Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:04
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/04; Y; Y10; Y10S; Y10S353/00; Y10S353/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1052835A
Cited
US1036131A
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US1129693A
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US1704811A
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US2061378A
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US2250174A
Cited
US2330799A
Cited
US2381260A
Cited
US2512828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |