US2669290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
neely
Assignee: —
•
Filing: —
•
Granted: 1954-02-16
•
Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:28
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30; A47C7/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2175062A
Cited
US2241909A
Cited
US2249031A
Cited
US2257633A
Cited
CH150866A
Cited
GB439698A
Cited
US2244469A
Cited
US2260190A
Cited
US2293566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |