US2645709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ornamental fluorescent stand lamp
Assignee: Individual
•
Filing: 1947-04-29
•
Granted: 1953-07-14
•
Expires: 1967-04-29
Abstract
No abstract record available.
Inventors
- 👤 Melvin C Thorstensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:21
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; F21S6/004; F21V; F21V7/00; F21V7/005; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193191A
Cited
GB308625A
Cited
US1978251A
Cited
US2147008A
Cited
US2305214A
Cited
US2333694A
Cited
US2256058A
Cited
US2408471A
Cited
US2363374A
Cited
US2355467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |