Patent US3030153A successfully refreshed from Google Patents.
Patent US2491516A successfully refreshed from Google Patents.
US2491516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means to safely deactivate explosive bearing ordnance
Assignee: Individual
•
Filing: 1944-01-12
•
Granted: 1949-12-20
•
Expires: 1964-01-12
Abstract
No abstract record available.
Inventors
- 👤 Charles S Piggot
- 👤 Carroll C Misener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:21
CPC Classifications
F; F42; F42B; F42B33/00; F42B33/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US22863A
Cited
US48371A
Cited
US49548A
Cited
US217899A
Cited
US19063A
Cited
US655577A
Cited
US1393894A
Cited
US1365870A
Cited
US1399924A
Cited
US1388363A
Cited
US1509927A
Cited
US1492922A
Cited
US1492956A
Cited
US1492924A
Cited
US1506354A
Cited
US1492905A
Cited
US1492925A
Cited
US1589194A
Cited
US1951638A
Cited
US2055506A
Cited
US2189439A
Cited
US2213435A
Cited
US2355513A
Cited
US2404441A
Cited
US2444045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |