US2561376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll-rug display unit
Assignee: Individual
•
Filing: 1946-06-24
•
Granted: 1951-07-24
•
Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 Karl R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:43
CPC Classifications
A; A47; A47F; A47F7/00; A47F7/16; A47F7/17; A47F7/175
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US133781A
Cited
US582837A
Cited
DE392531C
Cited
GB236307A
Cited
US1708759A
Cited
US1829766A
Cited
US2068755A
Cited
US2135565A
Cited
US2310036A
Cited
US2416509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |