Patent US6789000B1 successfully refreshed from Google Patents.
US2450486A
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US
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Plumber's snake and feeding device therefor
Assignee: Individual
•
Filing: 1945-10-08
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Granted: 1948-10-05
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Expires: 1965-10-08
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:02
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/30; E03C1/302
Claims Analysis
Total Claims: 0
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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) | 1951-10-05 | 1952-04-05 | 1952-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-05 | 1956-04-05 | 1956-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-05 | 1960-04-05 | 1960-10-05 | $7700.00 | Window Closed / Lapsed |