US1903330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple display lamp
Assignee: Individual
•
Filing: 1932-04-01
•
Granted: 1933-04-04
•
Expires: 1952-04-01
Abstract
No abstract record available.
Inventors
- 👤 Albert M Young
- 👤 Pollack Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:16
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/02; G; G09; G09F; G09F19/00; G09F19/12; G09F19/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-04-03 | 1936-10-03 | 1937-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-03 | 1940-10-03 | 1941-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-03 | 1944-10-03 | 1945-04-04 | $7700.00 | Window Closed / Lapsed |