US2624428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal window screen frame
Assignee: Individual
•
Filing: 1951-06-25
•
Granted: 1953-01-06
•
Expires: 1971-06-25
Abstract
No abstract record available.
Inventors
- 👤 Samuel L Mason
- 👤 Frank L Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:44
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52
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) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |