US2861586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector for vacuum cleaners
Assignee: Individual
•
Filing: 1957-02-26
•
Granted: 1958-11-25
•
Expires: 1977-02-26
Abstract
No abstract record available.
Inventors
- 👤 Earl B Dobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:56
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/02; F16L37/04; A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/38; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T137/6988
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US980418A
Cited
US1044707A
Cited
US1037083A
Cited
US1036378A
Cited
US1347236A
Cited
US1597312A
Cited
US2246404A
Cited
FR1100958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |