US2447425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposal of refuse
Assignee: Individual
•
Filing: 1945-03-17
•
Granted: 1948-08-17
•
Expires: 1965-03-17
Abstract
No abstract record available.
Inventors
- 👤 Norton Orlo Clair
- 👤 Adolf E Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:06
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US933121A
Cited
US1715438A
Cited
US1719418A
Cited
US2136945A
Cited
US2266097A
Cited
US2277254A
Cited
US2254761A
Cited
US2314977A
Cited
US2310270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |