Patent US2245474A successfully refreshed from Google Patents.
US2674291A
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US
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Safety tube
Assignee: Goodrich Corp
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Filing: 1948-09-27
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Granted: 1954-04-06
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Expires: 1968-09-27
Abstract
No abstract record available.
Inventors
- 👤 William A Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:22
CPC Classifications
B; B60; B60C; B60C5/00; B60C5/02; B60C17/00; B60C17/01; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10522; Y10T152/10576; Y10T152/10594; Y10T152/10603
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR683619A
Cited
US2200916A
Cited
US2240169A
Cited
US2241593A
Cited
US2343828A
Cited
US2554815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |