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US2520918A
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Ejecting and coding means for recording devices
Assignee: Individual
•
Filing: 1945-10-24
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Granted: 1950-09-05
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Expires: 1965-10-24
Abstract
No abstract record available.
Inventors
- 👤 Paul F Elarde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:15
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US827798A
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US1219858A
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US1564634A
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US1886844A
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US2199672A
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US2169230A
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US2398352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |