Patent US2550131A successfully refreshed from Google Patents.
US2550131A
Expired / Lapsed
US
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Rod winding machine
Assignee: Individual
•
Filing: 1947-05-01
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Granted: 1951-04-24
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Expires: 1967-05-01
Abstract
No abstract record available.
Inventors
- 👤 Wodetzky Elmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:34
CPC Classifications
B; B65; B65H; B65H81/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18648; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19735
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US131272A
Cited
US506178A
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US517787A
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US1273417A
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US1789607A
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US2082562A
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US2237178A
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US2218995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |