US2686962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making flexible hose
Assignee: Hoover Co
•
Filing: 1951-05-02
•
Granted: 1954-08-24
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Expires: 1971-05-02
Abstract
No abstract record available.
Inventors
- 👤 Edward R Swann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:01
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; A; A47; A47L; A47L9/00; A47L9/24; A47L9/242; F; F16; F16L; F16L33/00; F16L35/00; B29K; B29K2021/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49842; Y10T29/49879; Y10T29/49881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1892551A
Cited
US1812646A
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US2268088A
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GB536691A
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US2338666A
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US2321731A
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US2442640A
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US2610869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |