US2493681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball cleaning machine and method
Assignee: Individual
•
Filing: 1946-08-09
•
Granted: 1950-01-03
•
Expires: 1966-08-09
Abstract
No abstract record available.
Inventors
- 👤 Mayer Joseph Urban
- 👤 John J Kehoe
- 👤 Edward L Conard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:03
CPC Classifications
A; A63; A63B; A63B47/00; A63B47/04; A63B2047/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US892104A
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US1025781A
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GB191229224A
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US1352138A
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US1430786A
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US1602016A
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US1759075A
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US2035014A
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US2426249A
Cited
US2405344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |