Patent US2148968A successfully refreshed from Google Patents.
US2148968A
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Plumbing system
Assignee: Imperial Brass Manufacturing Co
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Filing: 1934-07-28
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Granted: 1939-02-28
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Expires: 1954-07-28
Abstract
No abstract record available.
Inventors
- 👤 William C Shanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:43
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/10; E03C1/102; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-02-27 | 1942-08-29 | 1943-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-27 | 1946-08-29 | 1947-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-27 | 1950-08-29 | 1951-02-28 | $7700.00 | Window Closed / Lapsed |