Patent US2940113A successfully refreshed from Google Patents.
US2940113A
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US
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Sliding door hanger
Assignee: Lawrence Brothers Inc
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Filing: 1958-02-04
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Granted: 1960-06-14
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Expires: 1978-02-04
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Riser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:30
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/606; E05Y2201/61; E05Y2201/612; E05Y2201/614; E05Y2600/00; E05Y2600/10; E05Y2600/30; E05Y2600/31; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |