US2059833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic safety overhead door closer
Assignee: The J G Wilson Corp
•
Filing: 1935-02-27
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Granted: 1936-11-03
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Expires: 1955-02-27
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Winn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:05
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/16; E05D15/24; E05D13/00; E05D13/10; E05D13/12; E05D13/1253; E05D13/1261; E05D15/244; E05D15/248; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/658; E05Y2201/668; E05Y2201/67; E05Y2900/00; E05Y2900/10; E05Y2900/106
Claims Analysis
Total Claims: 0
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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) | 1939-11-03 | 1940-05-04 | 1940-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-03 | 1944-05-04 | 1944-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-03 | 1948-05-04 | 1948-11-03 | $7700.00 | Window Closed / Lapsed |