Patent US3425288A successfully refreshed from Google Patents.
US3425288A
Expired / Lapsed
US
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Fluidic operated speed control means
Assignee: Robertshaw Controls Co
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Filing: 1966-10-03
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Granted: 1969-02-04
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Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Robert L Golden
- 👤 Harvey J Shopsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:21
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/20; D; D06; D06F; D06F37/00; D06F37/30; D06F37/308; F16; F16H; F16H61/00; F16H61/66; F16H61/662
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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |