US2801586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subcaliber mortar trainer shell
Assignee: Individual
•
Filing: 1953-09-03
•
Granted: 1957-08-06
•
Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Mongello Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:03
CPC Classifications
F; F42; F42B; F42B8/00; F42B8/12; F42B8/20; F41; F41A; F41A33/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA455476A
Cited
US1330144A
Cited
US1459600A
Cited
US2115608A
Cited
US2108817A
Cited
US2383053A
Cited
US2342684A
Cited
US2482808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |