US2548926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated trap for rocket projectiles
Assignee: Individual
•
Filing: 1944-10-03
•
Granted: 1951-04-17
•
Expires: 1964-10-03
Abstract
No abstract record available.
Inventors
- 👤 Africano Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:56
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US266437A
Cited
FR502560A
Cited
US2043268A
Cited
GB516865A
Cited
US2446560A
Cited
US2408252A
Cited
US2400242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |