US2294360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalance for vertically sliding doors
Assignee: Overhead Door Corp
•
Filing: 1938-07-05
•
Granted: 1942-09-01
•
Expires: 1958-07-05
Abstract
No abstract record available.
Inventors
- 👤 Blodgett Herbert Cady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:21
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/1253; E05D13/1261; E05D15/00; E05D15/16; E05D15/24; E05D15/244; E05D15/248; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106
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) | 1945-08-31 | 1946-03-02 | 1946-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-31 | 1950-03-02 | 1950-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-31 | 1954-03-02 | 1954-09-01 | $7700.00 | Window Closed / Lapsed |