Patent US4760053A successfully refreshed from Google Patents.
Patent US2511233A successfully refreshed from Google Patents.
US2511233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection device
Assignee: Individual
•
Filing: 1945-12-08
•
Granted: 1950-06-13
•
Expires: 1965-12-08
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:02
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/08; B61K9/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE15859E
Cited
US1628767A
Cited
US2065118A
Cited
US2130882A
Cited
US2185589A
Cited
US2136375A
Cited
GB492501A
Cited
US2228293A
Cited
US2357666A
Cited
US2425857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |