Patent US2884197A successfully refreshed from Google Patents.
US2884197A
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Thermostatic flow governor
Assignee: Individual
•
Filing: 1956-10-22
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Granted: 1959-04-28
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Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred Whittell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:10
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/1333; F; F24; F24D; F24D17/00; F24H; F24H1/00; F24H1/22; F24H1/40; F24H9/00; F24H9/20; F24H9/2007; F24H9/2035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311809A
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US1985929A
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US2101369A
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US2300899A
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US2534497A
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US2657860A
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US2754062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |