Patent US2965127A successfully refreshed from Google Patents.
US2965127A
Expired / Lapsed
US
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Drain trap
Assignee: Individual
•
Filing: 1958-06-30
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Granted: 1960-12-20
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Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Louis A Kirschner
- 👤 Leon I Kirschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:30
CPC Classifications
E; E03; E03F; E03F7/00; E03F7/02; E03F7/04; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/282; E03F5/00; E03F5/04; E03F5/042; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7407; Y10T137/7423; Y10T137/7426; Y10T137/7436
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |