US1771963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filler ring for tire structures
Assignee: Individual
•
Filing: 1928-07-12
•
Granted: 1930-07-29
•
Expires: 1948-07-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Krone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:22
CPC Classifications
B; B60; B60C; B60C17/00; B60C17/04; B60C17/06; B60C2017/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-07-28 | 1934-01-27 | 1934-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-07-28 | 1938-01-27 | 1938-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-07-28 | 1942-01-27 | 1942-07-29 | $7700.00 | Window Closed / Lapsed |