US2914076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flapper-nozzle couple with perforated flapper
Assignee: Honeywell Inc
•
Filing: 1953-05-29
•
Granted: 1959-11-24
•
Expires: 1973-05-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Zimmerli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:16
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/42; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR689814A
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FR769976A
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GB562645A
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US2535202A
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US2742916A
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US2780230A
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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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |