Patent US3032146A successfully refreshed from Google Patents.
US3032146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic brakes
Assignee: Clark Controller Co
•
Filing: 1958-04-01
•
Granted: 1962-05-01
•
Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 William F Szabo
- 👤 David A Collings
- 👤 John A Cortelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:14
CPC Classifications
F; F16; F16D; F16D49/00; F16D49/16; F16D59/00; F16D59/02; F16D2121/00; F16D2121/18; F16D2121/20; F16D2121/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1231633A
Cited
US1685997A
Cited
US2009120A
Cited
US2238100A
Cited
US2436880A
Cited
US2545213A
Cited
US2830682A
Cited
US2851129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |