Patent US2611834A successfully refreshed from Google Patents.
US2611834A
Expired / Lapsed
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Combination spot and trouble light
Assignee: Individual
•
Filing: 1949-04-13
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Granted: 1952-09-23
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Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 Simons Cal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:21
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/36; F21V21/38; B; B60; B60Q; B60Q3/00; B60Q3/80; B60Q3/88; F21V27/00; F21V27/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US982651A
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US1024417A
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US1163444A
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US1330974A
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US1281162A
Cited
US1464631A
Cited
US1659160A
Cited
US1730104A
Cited
US1936085A
Cited
US2236435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |