US2504160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket projector
Assignee: Individual
•
Filing: 1944-10-03
•
Granted: 1950-04-18
•
Expires: 1964-10-03
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Skinner
- 👤 Julius A Folse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:17
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/06; F41A19/42; F41A19/52; F41A27/00; F41A27/06; F41A27/24; F41F; F41F3/00; F41F3/04; F41F3/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US16070A
Cited
GB189425326A
Cited
US932270A
Cited
DE323399C
Cited
US1395630A
Cited
US1500711A
Cited
US1661091A
Cited
US2030507A
Cited
GB464543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |