US2887173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound absorbing and insulating panel
Assignee: G A SA SpA
•
Filing: 1957-05-22
•
Granted: 1959-05-19
•
Expires: 1977-05-22
Abstract
No abstract record available.
Inventors
- 👤 Boschi Antonio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:58
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/045; E04B9/001; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925453A
Cited
US2041767A
Cited
US2075263A
Cited
US2069413A
Cited
US2189500A
Cited
US2150338A
Cited
US2234517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |