Patent US2683487A successfully refreshed from Google Patents.
US2683487A
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Forming machine and stacker therefor
Assignee: Danly Machine Specialties Inc
•
Filing: 1947-04-30
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Granted: 1954-07-13
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Expires: 1967-04-30
Abstract
No abstract record available.
Inventors
- 👤 Guy O Conner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:52
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B21D43/22; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2063; Y10T83/2092; Y10T83/2207; Y10T83/2209
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319415A
Cited
DE46685C
Cited
US1193624A
Cited
US2400419A
Cited
US195489A
Cited
US740320A
Cited
US1290055A
Cited
US1208964A
Cited
US1344034A
Cited
US1339060A
Cited
US1450945A
Cited
US1422943A
Cited
US1439807A
Cited
US1491546A
Cited
US1736049A
Cited
US1798711A
Cited
US1929109A
Cited
US1879944A
Cited
US1969594A
Cited
US2258070A
Cited
US2312438A
Cited
US2404480A
Cited
US2446846A
Cited
US2406808A
Cited
US2511266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |