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US2822019A
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Chafer gum strip
Assignee: Bridgestone Firestone Inc
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Filing: 1956-01-03
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Granted: 1958-02-04
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Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Robert C Koch
- 👤 Robert P Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:25
CPC Classifications
B; B60; B60C; B60C15/00; B60C15/06; Y; Y10; Y10S; Y10S152/00; Y10S152/09; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10819; Y10T152/10828; Y10T152/10846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2484620A
Cited
US2592844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |