US3049381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-skid mechanism
Assignee: Burtek Inc
•
Filing: 1958-09-23
•
Granted: 1962-08-14
•
Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 John M Zeigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:40
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/321; B60T8/325; B60T8/72; B60T8/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2115534A
Cited
US2515729A
Cited
US2753475A
Cited
US2907607A
Cited
US2947579A
Cited
US2920924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |