US2961007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hose
Assignee: Hoover Co
•
Filing: 1955-12-06
•
Granted: 1960-11-22
•
Expires: 1975-12-06
Abstract
No abstract record available.
Inventors
- 👤 Frank A Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:46
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/115; A; A47; A47L; A47L9/00; A47L9/24; B; B29; B29D; B29D23/00; B29D23/18; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US713560A
Cited
US1547431A
Cited
US2430081A
Cited
US2508774A
Cited
US2560369A
Cited
US2715914A
Cited
US2609002A
Cited
US2739616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |