US2745557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
V en tors
Assignee: —
•
Filing: —
•
Granted: 1956-05-15
•
Expires: 1973-05-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:01
CPC Classifications
A; A47; A47F; A47F7/00; A47F7/14; A47F7/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US568469A
Cited
US755693A
Cited
US745295A
Cited
US1146488A
Cited
US1332146A
Cited
US1587359A
Cited
US2006447A
Cited
US2186573A
Cited
US2289729A
Cited
US2609937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |