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US2566211A
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Assignee: C H KEESLING
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Filing: 1949-08-26
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Granted: 1951-08-28
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Expires: 1969-08-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Keesling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:37
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/043; B23Q5/048; A; A61; A61B; A61B17/00; A61B17/16; A61B17/1613; A61B17/1622; A61B17/1624
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |