US2690294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blower
Assignee: HAYES IND
•
Filing: 1949-06-02
•
Granted: 1954-09-28
•
Expires: 1969-06-02
Abstract
No abstract record available.
Inventors
- 👤 Beecher B Cary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:15
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1958145A
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US2175641A
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US2096023A
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US2206463A
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US2502207A
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US2308685A
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US2298576A
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US2294586A
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US2458419A
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US2398113A
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US2397171A
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US2393808A
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US2592471A
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US2613869A
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US2494772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |