US2639641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glare eliminating device for rearview mirrors of motor vehicles
Assignee: Individual
•
Filing: 1948-05-22
•
Granted: 1953-05-26
•
Expires: 1968-05-22
Abstract
No abstract record available.
Inventors
- 👤 Edward F Piwczynski
- 👤 Galinski Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:51
CPC Classifications
B; B60; B60R; B60R1/00; B60R1/02; B60R1/08; B60R1/083; B60R1/084
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1513769A
Cited
US1633190A
Cited
US1905868A
Cited
US1777520A
Cited
US1926979A
Cited
US1909302A
Cited
US1994648A
Cited
US1971333A
Cited
US2118962A
Cited
US2233739A
Cited
US2165771A
Cited
US2327802A
Cited
US2420259A
Cited
US2511590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |