Patent US2282278A successfully refreshed from Google Patents.
Patent US1235244A successfully refreshed from Google Patents.
US1235244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimming device for regulating the electric lights of automobiles.
Assignee: Individual
•
Filing: 1916-08-31
•
Granted: 1917-07-31
•
Expires: 1936-08-31
Abstract
No abstract record available.
Inventors
- 👤 Roy E Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:42
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1415; B60Q1/1423; Y; Y10; Y10S; Y10S200/00; Y10S200/17
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) | 1920-07-30 | 1921-01-29 | 1921-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-07-30 | 1925-01-29 | 1925-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-07-30 | 1929-01-29 | 1929-07-31 | $7700.00 | Window Closed / Lapsed |