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US2563709A
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Memorandum pad holder
Assignee: LOUIS A RICKERT
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Filing: 1948-08-30
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Granted: 1951-08-07
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Expires: 1968-08-30
Abstract
No abstract record available.
Inventors
- 👤 Freeman O Ehrler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:24
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/003; B42D5/005; B42D5/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1331668A
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US1448875A
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US1454935A
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US1915974A
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US2001774A
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US2211879A
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US2278011A
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US2285235A
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US2369364A
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US2444647A
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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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |