US2739616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hose
Assignee: Hoover Co
•
Filing: 1954-10-04
•
Granted: 1956-03-27
•
Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jack E Duff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:48
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/24; B; B29; B29D; B29D23/00; B29D23/18; F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/115; B29K; B29K2021/00; Y; Y10; Y10S; Y10S264/00; Y10S264/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US713560A
Cited
US2385389A
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US2430081A
Cited
US2560369A
Cited
US2609002A
Cited
US2661025A
Cited
US2516864A
Cited
US2641302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |