US2663194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated friction v belt and belt section
Assignee: Armstrong Bray & Co
•
Filing: 1948-05-26
•
Granted: 1953-12-22
•
Expires: 1968-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ogard Helmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:12
CPC Classifications
F; F16; F16G; F16G5/00; F16G5/16; F16G5/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US921095A
Cited
US1113536A
Cited
US1201736A
Cited
US1940297A
Cited
US2390542A
Cited
US2403607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |