Patent US2773568A successfully refreshed from Google Patents.
US2773568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-self-energizing band type brake
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-02-19
•
Granted: 1956-12-11
•
Expires: 1974-02-19
Abstract
No abstract record available.
Inventors
- 👤 Ragland Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:24
CPC Classifications
F; F16; F16D; F16D49/00; F16D49/08; B; B66; B66D; B66D5/00; B66D2700/00; B66D2700/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US425955A
Cited
FR336412A
Cited
US1752377A
Cited
DE521091C
Cited
US1853201A
Cited
US2136111A
Cited
US2308954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |