Patent US3003408A successfully refreshed from Google Patents.
US3003408A
Expired / Lapsed
US
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Damper operating arrangement
Assignee: General Electric Co
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Filing: 1959-07-06
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Granted: 1961-10-10
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 William J Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:56
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/53; F16K31/535; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4621
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |