US2587961A
Expired / Lapsed
US
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Transfer valve
Assignee: Modern Faucet Manufacturing Co
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Filing: 1947-10-06
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Granted: 1952-03-04
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Expires: 1967-10-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Bletcher
- 👤 Clarence H Bentley
- 👤 Irving A Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:23
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/10; E03C1/104; F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/161; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3294; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7781; Y10T137/7832
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) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |