Patent US4059842A successfully refreshed from Google Patents.
Patent US2594955A successfully refreshed from Google Patents.
US2594955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic holder for pencils
Assignee: Individual
•
Filing: 1950-08-22
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Granted: 1952-04-29
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Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 Albert A Markowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:21
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/001; Y; Y10; Y10T; Y10T24/00; Y10T24/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US605440A
Cited
GB190712037A
Cited
US891099A
Cited
US1743694A
Cited
US2176052A
Cited
US2297806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |