Patent US3368657A successfully refreshed from Google Patents.
US3368657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise-controlling armature for brakes, clutches and the like
Assignee: Stearns Electric Corp
•
Filing: 1965-08-23
•
Granted: 1968-02-13
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Wrensch
- 👤 Lloyd A Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:11
CPC Classifications
F; F16; F16D; F16D63/00; F16D63/002; F16D27/00; F16D27/10; F16D27/108; F16D27/112; F16D2027/007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2138837A
Cited
US1519417A
Cited
US2098266A
Cited
US2063203A
Cited
US2407757A
Cited
US2426942A
Cited
US2684744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |