Patent US3047013A successfully refreshed from Google Patents.
US3047013A
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US
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Diaphragm for water closets
Assignee: Individual
•
Filing: 1957-03-22
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Granted: 1962-07-31
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Expires: 1977-03-22
Abstract
No abstract record available.
Inventors
- 👤 William J Baumbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:14
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/298; E03C1/294; E03D; E03D11/00; E03D11/02; E03D11/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882; Y10T137/7885
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |