US2426260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of deforming sheet material on predetermined spaced lines
Assignee: KAISER FLEETWINGS Inc
•
Filing: 1944-01-05
•
Granted: 1947-08-26
•
Expires: 1964-01-05
Abstract
No abstract record available.
Inventors
- 👤 Wilbur E Courtney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:57
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US9288A
Cited
US143226A
Cited
US338567A
Cited
US1605828A
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US659111A
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US926093A
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US838569A
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US936481A
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US1058775A
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US1511547A
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US1622806A
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US1559454A
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DE409548C
Cited
US1552416A
Cited
US1831033A
Cited
US1852101A
Cited
US1890588A
Cited
US1963507A
Cited
US2288273A
Cited
US2339855A
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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) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |