Patent US2647473A successfully refreshed from Google Patents.
US2647473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car roof hatch cover operating mechanism
Assignee: Magor Car Corp
•
Filing: 1951-06-20
•
Granted: 1953-08-04
•
Expires: 1971-06-20
Abstract
No abstract record available.
Inventors
- 👤 Einar O Lunde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:30
CPC Classifications
B; B61; B61D; B61D7/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |