Patent US2901596A successfully refreshed from Google Patents.
US2901596A
Expired / Lapsed
US
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Lamp
Assignee: Sears Roebuck and Co
•
Filing: 1956-11-01
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Granted: 1959-08-25
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Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Bell
- 👤 Meinke Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:34
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; F21S6/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1487758A
Cited
US1437259A
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US1475071A
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US1452575A
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US1974077A
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US2014872A
Cited
US2121575A
Cited
US2307574A
Cited
US2308071A
Cited
US2576523A
Cited
US2748257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |