US2620526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window guard
Assignee: Individual
•
Filing: 1950-02-02
•
Granted: 1952-12-09
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Louis C Stukenborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:54
CPC Classifications
A; A47; A47H; A47H27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19617E
Cited
US1239473A
Cited
US1550404A
Cited
US1893176A
Cited
US2222667A
Cited
US2424361A
Cited
US2400280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |