Patent US2448248A successfully refreshed from Google Patents.
US2448248A
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US
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Rubber wheel
Assignee: Thermoid Co
•
Filing: 1943-11-03
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Granted: 1948-08-31
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Expires: 1963-11-03
Abstract
No abstract record available.
Inventors
- 👤 James B Bennett
- 👤 John J Mccarter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:49
CPC Classifications
B; B60; B60B; B60B5/00; B60B5/02; B29; B29D; B29D30/00; B29D30/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1312491A
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US665700A
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US667348A
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US1399128A
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US1688869A
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US1484037A
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US1716311A
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US1678631A
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US1673364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |