Patent US2603269A successfully refreshed from Google Patents.
US2603269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrolling and twisting machine
Assignee: —
•
Filing: —
•
Granted: 1952-07-15
•
Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:05
CPC Classifications
B; B21; B21D; B21D1/00; B21F; B21F7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1432199A
Cited
US107305A
Cited
US441929A
Cited
US540513A
Cited
US83523A
Cited
US654373A
Cited
US681334A
Cited
US740241A
Cited
US796685A
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US1496801A
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US1667911A
Cited
US1957395A
Cited
US1968010A
Cited
US2119399A
Cited
US2128620A
Cited
US2217333A
Cited
GB522677A
Cited
US2318344A
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GB588956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |