Patent US3537259A successfully refreshed from Google Patents.
Patent US2775408A successfully refreshed from Google Patents.
US2775408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toilet tissue roll cover
Assignee: Individual
•
Filing: 1953-10-30
•
Granted: 1956-12-25
•
Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
- 👤 Bou Lewis E Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:43
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/38; Y; Y10; Y10S; Y10S242/00; Y10S242/905; Y10T; Y10T225/00; Y10T225/20; Y10T225/238; Y10T225/241; Y10T225/246; Y10T225/247
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US290140A
Cited
US933537A
Cited
US1297110A
Cited
US1693338A
Cited
US1713857A
Cited
US2106363A
Cited
US2275787A
Cited
US2276414A
Cited
US2331791A
Cited
US2579201A
Cited
US2649255A
Cited
US2606724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |