Patent US1836348A successfully refreshed from Google Patents.
US1836348A
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US
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Detachable handle construction for vacuum cleaners and the like
Assignee: EUREKA VACUUM CLEANER Co
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Filing: 1927-11-28
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Granted: 1931-12-15
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Expires: 1947-11-28
Abstract
No abstract record available.
Inventors
- 👤 Wardell Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:27
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/32; A47L9/325; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10S; Y10S285/00; Y10S285/906; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7049
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-12-14 | 1935-06-15 | 1935-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-14 | 1939-06-15 | 1939-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-14 | 1943-06-15 | 1943-12-15 | $7700.00 | Window Closed / Lapsed |