US1773443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of silencers or exhaust tanks for machine guns and other automatic arms
Assignee: Individual
•
Filing: 1928-10-20
•
Granted: 1930-08-19
•
Expires: 1948-10-20
Abstract
No abstract record available.
Inventors
- 👤 Wilman Zygmunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
C; C09; C09B; C09B49/00; C09B49/10; F; F41; F41A; F41A21/00; F41A21/30
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) | 1933-08-18 | 1934-02-17 | 1934-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-18 | 1938-02-17 | 1938-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-18 | 1942-02-17 | 1942-08-19 | $7700.00 | Window Closed / Lapsed |