Patent US2590028A successfully refreshed from Google Patents.
US2590028A
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US
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Gravity actuated door mounting
Assignee: Individual
•
Filing: 1946-08-08
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Granted: 1952-03-18
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Expires: 1966-08-08
Abstract
No abstract record available.
Inventors
- 👤 Miller John Vance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:39
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/36; E05D15/38; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5045; E05Y; E05Y2900/00; E05Y2900/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US479857A
Cited
US1115345A
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US1855953A
Cited
GB398619A
Cited
AU1917634A
Cited
FR835210A
Cited
US2202277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |