US2954198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-purpose fan mounting
Assignee: Emerson Electric Co
•
Filing: 1958-07-09
•
Granted: 1960-09-27
•
Expires: 1978-07-09
Abstract
No abstract record available.
Inventors
- 👤 Caryl A Lindberg
- 👤 Arthur D Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:07
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/64; F04D29/644; F04D29/646
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US882231A
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US1137773A
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US1504478A
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US1814342A
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US2345516A
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US2463337A
Cited
US2795388A
Cited
US2830779A
Cited
US2862657A
Cited
US2857095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |