US2275859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical material
Assignee: Individual
•
Filing: 1938-01-20
•
Granted: 1942-03-10
•
Expires: 1958-01-20
Abstract
No abstract record available.
Inventors
- 👤 Mazer Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:11
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8409; E04B1/86; E04C; E04C2/00; E04C2/30; E04C2/32; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/16; E04B2001/742; E04B2001/747; E04B2001/8414; E04B2001/8457; E04B2001/8461; E04B2001/8476; E04B2001/848; E04B2001/849; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24628; Y10T428/24669; Y10T428/24686
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) | 1945-03-09 | 1945-09-08 | 1946-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-09 | 1949-09-08 | 1950-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-09 | 1953-09-08 | 1954-03-10 | $7700.00 | Window Closed / Lapsed |