US2115432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilating and light-controlling device for vehicles
Assignee: VENT LUX Ltd
•
Filing: 1936-10-14
•
Granted: 1938-04-26
•
Expires: 1956-10-14
Abstract
No abstract record available.
Inventors
- 👤 Lester S Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:16
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/02; B60J7/04; B60J7/053; B60H; B60H1/00; B60H1/24; B60H1/26; B60H1/262
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) | 1941-04-25 | 1941-10-25 | 1942-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-25 | 1945-10-25 | 1946-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-25 | 1949-10-25 | 1950-04-26 | $7700.00 | Window Closed / Lapsed |