US2481312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for washing bowls, sinks, and plumbing fixtures
Assignee: Individual
•
Filing: 1946-08-28
•
Granted: 1949-09-06
•
Expires: 1966-08-28
Abstract
No abstract record available.
Inventors
- 👤 Louis A Kirschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:31
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1595516A
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US1704023A
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US1776385A
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US1811170A
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US1950817A
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US2190278A
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US2337331A
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US2438302A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |