Patent US2981929A successfully refreshed from Google Patents.
US2981929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical brake lining wear detector
Assignee: Individual
•
Filing: 1958-02-17
•
Granted: 1961-04-25
•
Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 Rizzo Samuel
- 👤 Biser David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:36
CPC Classifications
F; F16; F16D; F16D66/00; F16D66/02; F16D66/021; F16D66/026; F16D66/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2731936A
Cited
US1902759A
Cited
US2183700A
Cited
US2146357A
Cited
US2621274A
Cited
US2636090A
Cited
US2669876A
Cited
US2629862A
Cited
US2700760A
Cited
US2731619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |