US1924472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for manufacturing sound absorbing material
Assignee: Individual
•
Filing: 1930-11-28
•
Granted: 1933-08-29
•
Expires: 1950-11-28
Abstract
No abstract record available.
Inventors
- 👤 Thomson George Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/36; E04C2/365; B; B31; B31D; B31D3/00; B31D3/02; B31D3/0223; B31D3/0246; B31D3/0261; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1007; Y10T156/1015; Y10T156/1016; Y10T156/102; Y10T156/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-08-28 | 1937-02-27 | 1937-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-28 | 1941-02-27 | 1941-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-28 | 1945-02-27 | 1945-08-29 | $7700.00 | Window Closed / Lapsed |