Patent US6030388A successfully refreshed from Google Patents.
Patent US2731040A successfully refreshed from Google Patents.
US2731040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hose
Assignee: Hoover Co
•
Filing: 1953-03-02
•
Granted: 1956-01-17
•
Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Warburton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:28
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/78; B29C53/80; B29C53/82; B29C53/821; B29C53/825; B29C53/827; B29K; B29K2021/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49876
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1702123A
Cited
US1959318A
Cited
US2154942A
Cited
US2649778A
Cited
US2388297A
Cited
US2337373A
Cited
US2516864A
Cited
US2676127A
Cited
US2695631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |