US2688217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling alley sanding machine
Assignee: BRUNSWICK-BALKE-COLLENDER Co
•
Filing: 1951-07-06
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Granted: 1954-09-07
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Expires: 1971-07-06
Abstract
No abstract record available.
Inventors
- 👤 Wynn G Winkler
- 👤 Robert I Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/18; B24B7/188; A; A47; A47L; A47L11/00; A47L11/02; A47L11/10; A47L11/12; A47L11/40; A47L11/4011; A47L11/4036; A47L11/4047; A47L11/4052; A47L11/4058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1775000A
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US1921513A
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US1910266A
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US1877031A
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US1968257A
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US1988577A
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US2279783A
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US2290596A
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US2480325A
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US2598053A
Cited
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 |