US2193680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sink bowl construction
Assignee: TRACY Manufacturing Co
•
Filing: 1938-08-20
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Granted: 1940-03-12
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Expires: 1958-08-20
Abstract
No abstract record available.
Inventors
- 👤 Walter J Weissert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:10
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/32; E03C1/33; E03C1/335; F; F16; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T403/00; Y10T403/46
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) | 1943-03-12 | 1943-09-11 | 1944-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-03-12 | 1947-09-11 | 1948-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-03-12 | 1951-09-11 | 1952-03-12 | $7700.00 | Window Closed / Lapsed |