US3030464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damped anti-skid mechanism
Assignee: Burtek Inc
•
Filing: 1960-02-23
•
Granted: 1962-04-17
•
Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 John M Zeigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:24
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/17; B60T8/171; B60T8/32; B60T8/72; B60T8/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US490249A
Cited
US2061912A
Cited
US2531054A
Cited
US2737550A
Cited
US2868338A
Cited
US2920924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |