Patent US2982988A successfully refreshed from Google Patents.
US2982988A
Expired / Lapsed
US
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Sliding door hanger assembly
Assignee: Ekco Products Co
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Filing: 1959-04-03
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Granted: 1961-05-09
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Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 Dwight W Blackmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:44
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063; E05D15/0634; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/64; E05Y2600/00; E05Y2600/50; E05Y2600/52; E05Y2600/528; E05Y2800/00; E05Y2800/26; E05Y2800/292; E05Y2800/296; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE14790C
Cited
GB190501518A
Cited
US1065794A
Cited
US1832203A
Cited
US1765215A
Cited
US2246092A
Cited
US2322529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |