US2902592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable lamp
Assignee: REX COLE Inc
•
Filing: 1957-07-05
•
Granted: 1959-09-01
•
Expires: 1977-07-05
Abstract
No abstract record available.
Inventors
- 👤 Cole Rex
- 👤 Walter J Harshbarger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:53
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/32; A47L9/322; F; F21; F21V; F21V21/00; F21V21/14; F21V21/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US888376A
Cited
US1994886A
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US1970624A
Cited
US2281542A
Cited
US2506657A
Cited
US2609502A
Cited
US2679681A
Cited
US2682570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |