US2746097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soundproof building construction
Assignee: Individual
•
Filing: 1954-07-19
•
Granted: 1956-05-22
•
Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur M Tofani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:05
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B2/00; E04B2/74; E04B2/7407; E04B2/7409; E04B2/7412; E04B2001/8254; Y; Y10; Y10S; Y10S49/00; Y10S49/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1076074A
Cited
US1179773A
Cited
US1459761A
Cited
US1737589A
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GB461706A
Cited
GB499693A
Cited
US2305685A
Cited
US2264377A
Cited
GB627013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |