US2740238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanding machine for bowling alleys
Assignee: Individual
•
Filing: 1953-03-26
•
Granted: 1956-04-03
•
Expires: 1973-03-26
Abstract
No abstract record available.
Inventors
- 👤 Samuel H Sharpless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:38
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/18; B24B7/188; A; A47; A47L; A47L11/00; A47L11/02; A47L11/10; A47L11/14; A47L11/40; A47L11/4036; A47L11/4047; A47L11/4052; A47L11/4058; A47L11/4063; A47L11/4069; A47L11/4075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR534616A
Cited
US1633473A
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US1877031A
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US1934814A
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US1913574A
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US2031665A
Cited
US2454650A
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US2480325A
Cited
US2598053A
Cited
US2603919A
Cited
US2688217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |