US2851128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flutter damper with thermostatic valve
Assignee: HONDAILLE IND Inc
•
Filing: 1956-02-08
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Granted: 1958-09-09
•
Expires: 1976-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:37
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10; F16F9/14; F16F9/145; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US697644A
Cited
US1686381A
Cited
US1881957A
Cited
US1881450A
Cited
US1884188A
Cited
US2334115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |