US2420663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-cooled ammunition rack
Assignee: Individual
•
Filing: 1944-07-15
•
Granted: 1947-05-20
•
Expires: 1964-07-15
Abstract
No abstract record available.
Inventors
- 👤 Louis T Heath
- 👤 Vincent C Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:39
CPC Classifications
F; F42; F42B; F42B39/00; F42B39/14; F42B39/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US162659A
Cited
US1549618A
Cited
GB109383A
Cited
US1429887A
Cited
US1553589A
Cited
US1765946A
Cited
US1950234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |