US2522293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charging chute
Assignee: Individual
•
Filing: 1948-11-30
•
Granted: 1950-09-12
•
Expires: 1968-11-30
Abstract
No abstract record available.
Inventors
- 👤 Noble Bert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:07
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/04; B28C7/06; B28C7/067; B28C5/00; B28C5/08; B28C5/18; B28C5/1825; B28C5/1843
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1724369A
Cited
US2073652A
Cited
US2167243A
Cited
US2238342A
Cited
US2174089A
Cited
US2257161A
Cited
US2352202A
Cited
US2397581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |