US2726641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuator for pressure responsive automatically actuated safety brake
Assignee: Individual
•
Filing: 1953-06-29
•
Granted: 1955-12-13
•
Expires: 1973-06-29
Abstract
No abstract record available.
Inventors
- 👤 Arne A Hepola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:51
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D55/36; F16D55/40; B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/22; F16D2055/0004; F16D2055/0058
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |