Patent US1817273A successfully refreshed from Google Patents.
US1817273A
Expired / Lapsed
US
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Safety projectile for gun practice and gun barrels suitable for the same
Assignee: FIRM JOSEF SCHULER A G ERSTE U
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Filing: 1930-06-26
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Granted: 1931-08-04
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Expires: 1950-06-26
Abstract
No abstract record available.
Inventors
- 👤 Schuler Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:45
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/025; F41; F41A; F41A33/00; F42B12/00; F42B12/72; F42B12/74; F42B8/00; F42B8/02; F42B8/12
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) | 1934-08-03 | 1935-02-02 | 1935-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-03 | 1939-02-02 | 1939-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-03 | 1943-02-02 | 1943-08-04 | $7700.00 | Window Closed / Lapsed |