US2963749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous method of and apparatus for making extensible and flexible hose
Assignee: Hoover Co
•
Filing: 1958-11-13
•
Granted: 1960-12-13
•
Expires: 1978-11-13
Abstract
No abstract record available.
Inventors
- 👤 Mary C Pavlic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:29
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/18; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/15; B29C48/151; Y; Y10; Y10S; Y10S264/00; Y10S264/52; Y10S264/71
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB350390A
Cited
US2110226A
Cited
US2396059A
Cited
US2550555A
Cited
US2641302A
Cited
US2766806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |