Patent US2799533A successfully refreshed from Google Patents.
US2799533A
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US
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Shower head with frictional grip coupling means for attachment to tubular conduits
Assignee: CHICAGO SPECIALTY Manufacturing Co
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Filing: 1954-03-30
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Granted: 1957-07-16
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Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Bachli Herman
- 👤 Harry S Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:17
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/06; F; F16; F16L; F16L35/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |