Patent US2943137A successfully refreshed from Google Patents.
US2943137A
Expired / Lapsed
US
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Insert fixture hanger and closure plate
Assignee: JESS M ROBERTS
•
Filing: 1952-10-24
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Granted: 1960-06-28
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Expires: 1972-10-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Van Wyngarden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:29
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/18; H02G3/20; F; F21; F21V; F21V21/00; F21V21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB182097A
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US1843201A
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US1839250A
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US1935565A
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US2214382A
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US2321640A
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US2456450A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |