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US2470720A
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Assignee: LOGANSPORT MACHINE CO Inc
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Filing: 1947-05-31
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Granted: 1949-05-17
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Expires: 1967-05-31
Abstract
No abstract record available.
Inventors
- 👤 Harry L Proctor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:19
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; B23B31/162; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1961
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1711787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |