Patent US2490544A successfully refreshed from Google Patents.
US2490544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing for drawing frames
Assignee: ARNOLD W KINCAID
•
Filing: 1946-07-16
•
Granted: 1949-12-06
•
Expires: 1966-07-16
Abstract
No abstract record available.
Inventors
- 👤 Elvin B Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:42
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/56
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2389581A
Cited
US2412357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |