Patent US2444647A successfully refreshed from Google Patents.
US2444647A
Expired / Lapsed
US
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Combination calendar and memorandum pad holder
Assignee: Individual
•
Filing: 1945-04-28
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Granted: 1948-07-06
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Expires: 1965-04-28
Abstract
No abstract record available.
Inventors
- 👤 Evangel A Haveles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:10
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)
US1947856A
Cited
US1177286A
Cited
US1347225A
Cited
US1452707A
Cited
GB198865A
Cited
US1482659A
Cited
GB282698A
Cited
US2292895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |