Patent US2060720A successfully refreshed from Google Patents.
US2060720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track bracket
Assignee: Youngstown Steel Door Co
•
Filing: 1933-10-28
•
Granted: 1936-11-10
•
Expires: 1953-10-28
Abstract
No abstract record available.
Inventors
- 👤 Wilfred A Beauchamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:19
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/066; E05D15/0686; B; B61; B61D; B61D19/00; B61D19/003; B61D19/005; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/51
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-11-10 | 1940-05-11 | 1940-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-10 | 1944-05-11 | 1944-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-10 | 1948-05-11 | 1948-11-10 | $7700.00 | Window Closed / Lapsed |