US2501067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rearview mirror with image projecting periscopical facilities
Assignee: Individual
•
Filing: 1948-07-30
•
Granted: 1950-03-21
•
Expires: 1968-07-30
Abstract
No abstract record available.
Inventors
- 👤 Walter D Lusebrink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:04
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/02; G02B23/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE450057C
Cited
US951755A
Cited
US1649083A
Cited
US1745862A
Cited
US1977019A
Cited
US2193217A
Cited
US2221449A
Cited
US2281102A
Cited
GB558481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |