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Patent US2619665A successfully refreshed from Google Patents.
US2619665A
Expired / Lapsed
US
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Cable retractor for sewer machines
Assignee: Individual
•
Filing: 1948-06-10
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Granted: 1952-12-02
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Expires: 1968-06-10
Abstract
No abstract record available.
Inventors
- 👤 Harold E Hopkins
- 👤 Amos L Jentz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:46
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19735
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1255786A
Cited
US2037103A
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US2223005A
Cited
US2267493A
Cited
US2468490A
Cited
US2466493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |