US1385741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-deadener for building structures
Assignee: Individual
•
Filing: 1920-02-14
•
Granted: 1921-07-26
•
Expires: 1940-02-14
Abstract
No abstract record available.
Inventors
- 👤 James W Dillon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:22
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8409; E04B1/8218; E04B2001/8263; E04B2001/8281; E04B2001/8457; E04B2001/8476; E04B2001/848; E04B2001/849; E04B2001/8495
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) | 1924-07-25 | 1925-01-24 | 1925-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-07-25 | 1929-01-24 | 1929-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-07-25 | 1933-01-24 | 1933-07-26 | $7700.00 | Window Closed / Lapsed |