Patent US2749769A successfully refreshed from Google Patents.
US2749769A
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Valve control means
Assignee: Goodman Manufacturing Co LP
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Filing: 1952-08-21
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Granted: 1956-06-12
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Expires: 1972-08-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Slomer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:30
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; F16K11/0716; E; E21; E21B; E21B3/00; E21B3/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396
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) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |