Patent US2964812A successfully refreshed from Google Patents.
US2964812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic pencil clip
Assignee: Individual
•
Filing: 1957-11-21
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Granted: 1960-12-20
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Expires: 1977-11-21
Abstract
No abstract record available.
Inventors
- 👤 Cook Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:23
CPC Classifications
B; B43; B43K; B43K25/00; B43K25/02; B43K25/024; Y; Y10; Y10S; Y10S239/00; Y10S239/10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1321; Y10T24/32; Y10T24/34; Y10T24/3427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1932143A
Cited
US2363329A
Cited
US2297806A
Cited
US2353385A
Cited
US2472344A
Cited
US2594955A
Cited
US2644212A
Cited
US2780837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |