Patent US2058711A successfully refreshed from Google Patents.
US2058711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel door
Assignee: Morton Manufacturing Co
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Filing: 1935-09-03
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Granted: 1936-10-27
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Expires: 1955-09-03
Abstract
No abstract record available.
Inventors
- 👤 Charles D Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:19
CPC Classifications
B; B60; B60J; B60J5/00; B60J5/04; B60J5/06; B60J5/062
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) | 1939-10-27 | 1940-04-27 | 1940-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-10-27 | 1944-04-27 | 1944-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-10-27 | 1948-04-27 | 1948-10-27 | $7700.00 | Window Closed / Lapsed |