Patent US2688486A successfully refreshed from Google Patents.
US2688486A
Expired / Lapsed
US
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Semiautomatic bowling pin setter
Assignee: BRUNSWICK-BALKE-COLLENDER Co
•
Filing: 1949-03-02
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Granted: 1954-09-07
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Expires: 1969-03-02
Abstract
No abstract record available.
Inventors
- 👤 Hedenskoog Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:30
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/08; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148; Y10T74/2149
Claims Analysis
Total Claims: 0
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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) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |