US2639790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency exit window
Assignee: Individual
•
Filing: 1950-01-26
•
Granted: 1953-05-26
•
Expires: 1970-01-26
Abstract
No abstract record available.
Inventors
- 👤 James G Reitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:57
CPC Classifications
B; B60; B60J; B60J9/00; B60J9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US617186A
Cited
US623260A
Cited
US452694A
Cited
US717813A
Cited
US966027A
Cited
US1661198A
Cited
US1770551A
Cited
US1750110A
Cited
US1922494A
Cited
US2174781A
Cited
US2495830A
Cited
US2452815A
Cited
US2507965A
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 |