US1818810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic air rifle
Assignee: Individual
•
Filing: 1930-06-27
•
Granted: 1931-08-11
•
Expires: 1950-06-27
Abstract
No abstract record available.
Inventors
- 👤 Earl H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:54
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/50; F41B11/51; F41A; F41A9/00; F41A9/01; F41A9/06; F41A9/09; F41A9/20; F41A9/23; F41B11/70; F41B11/72; F41B11/723
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) | 1934-08-10 | 1935-02-09 | 1935-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-10 | 1939-02-09 | 1939-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-10 | 1943-02-09 | 1943-08-11 | $7700.00 | Window Closed / Lapsed |