US2449207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound deadener drawer
Assignee: HUGH S WERTZ
•
Filing: 1945-05-07
•
Granted: 1948-09-14
•
Expires: 1965-05-07
Abstract
No abstract record available.
Inventors
- 👤 Guyon L C Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:58
CPC Classifications
A; A47; A47B; A47B77/00; A47B77/04; A47B77/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US380598A
Cited
US1493497A
Cited
US1446994A
Cited
US1847256A
Cited
US2328129A
Cited
US2388746A
Cited
US2412407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-14 | 1952-03-15 | 1952-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-14 | 1956-03-15 | 1956-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-14 | 1960-03-15 | 1960-09-14 | $7700.00 | Window Closed / Lapsed |