US2884084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic panel
Assignee: Individual
•
Filing: 1954-10-28
•
Granted: 1959-04-28
•
Expires: 1974-10-28
Abstract
No abstract record available.
Inventors
- 👤 Sussman Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:36
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8409; G; G10; G10K; G10K11/00; G10K11/18; G10K11/20; G10K11/205; E04B2001/8414; E04B2001/8457; E04B2001/8461
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1378420A
Cited
GB175784A
Cited
US2076330A
Cited
US2332541A
Cited
US2410805A
Cited
US2465993A
Cited
US2411537A
Cited
US2496060A
Cited
US2617874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |