US2638035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically controlled tiltable reflecting mirror device
Assignee: Automatic Temperature Control Co Inc
•
Filing: 1951-01-29
•
Granted: 1953-05-12
•
Expires: 1971-01-29
Abstract
No abstract record available.
Inventors
- 👤 William D Macgeorge
- 👤 Jr Charles E Roessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:53
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US314771A
Cited
US1700511A
Cited
US1694833A
Cited
US1736683A
Cited
US2060351A
Cited
US2419999A
Cited
US2448772A
Cited
US2436224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |