US2658989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing board lamp and paper holder
Assignee: Individual
•
Filing: 1951-05-29
•
Granted: 1953-11-10
•
Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Marschat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:56
CPC Classifications
B; B42; B42F; B42F9/00; B42F9/001; B43; B43L; B43L3/00; B43L3/001; Y; Y10; Y10S; Y10S362/00; Y10S362/802; Y10T; Y10T24/00; Y10T24/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |