US2846710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for cleaning blind bores
Assignee: Individual
•
Filing: 1954-03-29
•
Granted: 1958-08-12
•
Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 George F Haka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:54
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE172182C
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US209668A
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GB198780A
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US751253A
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GB190612937A
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US862119A
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FR534844A
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US2064660A
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GB508152A
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US2603817A
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GB648416A
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GB843511A
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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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |