US2709472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubeless tire sealing device
Assignee: Individual
•
Filing: 1951-03-31
•
Granted: 1955-05-31
•
Expires: 1971-03-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Hofweber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:49
CPC Classifications
B; B60; B60C; B60C5/00; B60C5/12; B60C5/16; Y; Y10; Y10S; Y10S152/00; Y10S152/09; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10738
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US482182A
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US607043A
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FR345879A
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US2409666A
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US2394290A
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US2563787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |