US2693312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-driven blower and vacuum cleaner
Assignee: Individual
•
Filing: 1950-10-07
•
Granted: 1954-11-02
•
Expires: 1970-10-07
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Lanter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:39
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/08; F04D25/082; F04D29/00; F04D29/58; F04D29/5806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2321126A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |