US2664944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: Individual
•
Filing: 1948-10-02
•
Granted: 1954-01-05
•
Expires: 1968-10-02
Abstract
No abstract record available.
Inventors
- 👤 Lundquist Carl Ernst Edvard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:10
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/028; A47C1/029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1085176A
Cited
US1212475A
Cited
US1375635A
Cited
GB171128A
Cited
GB251454A
Cited
US1989203A
Cited
GB562011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |