US2642706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bias sisal buff
Assignee: Individual
•
Filing: 1950-02-24
•
Granted: 1953-06-23
•
Expires: 1970-02-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:39
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2140208A
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US2060952A
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US2034576A
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US2106610A
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US2134676A
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US2209089A
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US2324009A
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US2417645A
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US2459055A
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US2489193A
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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) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |