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US2561472A
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Tool for reaming holes in pneumatic tire casings
Assignee: Paul E Hawkinson Co
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Filing: 1950-01-30
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Granted: 1951-07-24
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Expires: 1970-01-30
Abstract
No abstract record available.
Inventors
- 👤 Paul E Hawkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:06
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/24; B29C73/26; B60; B60C; B60C25/00; B60C25/16; B29C2073/268; B29L; B29L2030/00; Y; Y10; Y10T; Y10T407/00; Y10T407/18; Y10T407/181; Y10T407/1815; Y10T408/00; Y10T408/89; Y10T408/905; Y10T408/906; Y10T408/909; Y10T408/9098; Y10T408/90993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE251811C
Cited
US2310211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |