US2531696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction disk
Assignee: Bendix Aviation Corp
•
Filing: 1945-12-07
•
Granted: 1950-11-28
•
Expires: 1965-12-07
Abstract
No abstract record available.
Inventors
- 👤 John G Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:19
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/12; F16D65/122; F16D65/121; F16D65/38; F16D65/40; F16D65/52; F16D65/56; F16D65/567
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US286870A
Cited
US1588305A
Cited
US1479974A
Cited
US1708645A
Cited
US2153280A
Cited
US2423882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |