Patent US2499156A successfully refreshed from Google Patents.
Patent US2448343A successfully refreshed from Google Patents.
US2448343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projectile
Assignee: Individual
•
Filing: 1942-12-14
•
Granted: 1948-08-31
•
Expires: 1962-12-14
Abstract
No abstract record available.
Inventors
- 👤 Zandmer Solis Myron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:20
CPC Classifications
F; F42; F42B; F42B14/00; F42B14/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189320782A
Cited
GB189600184A
Cited
GB190006940A
Cited
GB190320336A
Cited
US791679A
Cited
US849015A
Cited
US1184343A
Cited
US1227889A
Cited
FR28934E
Cited
US1602037A
Cited
US1721704A
Cited
US2264791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |