Patent US2998474A successfully refreshed from Google Patents.
US2998474A
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US
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Electrically conductive extensible hose
Assignee: Hoover Co
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Filing: 1958-09-29
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Granted: 1961-08-29
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Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Mary C Pavlic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:48
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; A; A47; A47L; A47L9/00; A47L9/24; A47L9/242; A47L9/246; H; H01; H01B; H01B7/00; H01B7/0072; B29K; B29K2021/00; B29K2105/00; B29K2105/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |