Patent US4226673A successfully refreshed from Google Patents.
Patent US1999747A successfully refreshed from Google Patents.
US1999747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projectile
Assignee: Individual
•
Filing: 1934-09-26
•
Granted: 1935-04-30
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Expires: 1954-09-26
Abstract
No abstract record available.
Inventors
- 👤 Aragone Carle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:05
CPC Classifications
F; F42; F42C; F42C9/00; F42C9/02; F42C9/04; F42C9/041; F42C9/048; F42C9/14; F42C9/141
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) | 1938-04-29 | 1938-10-29 | 1939-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-29 | 1942-10-29 | 1943-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-29 | 1946-10-29 | 1947-04-30 | $7700.00 | Window Closed / Lapsed |