US2676652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen door grille mounting
Assignee: Individual
•
Filing: 1951-12-08
•
Granted: 1954-04-27
•
Expires: 1971-12-08
Abstract
No abstract record available.
Inventors
- 👤 Harold W Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:19
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US650861A
Cited
US1056596A
Cited
US1657908A
Cited
US1959150A
Cited
US2082012A
Cited
US2107885A
Cited
US2201266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |