US2790202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for manufacturing pencils
Assignee: Individual
•
Filing: 1952-03-31
•
Granted: 1957-04-30
•
Expires: 1972-03-31
Abstract
No abstract record available.
Inventors
- 👤 Lorenian Zareh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:54
CPC Classifications
B; B43; B43K; B43K19/00; B43K19/16; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/15; B29C48/16; B29C48/18; B29C48/19; B29C48/21; B29C48/25; B29C48/30; B29C48/304; B29C48/32; B29C48/34; B29C48/36; B29C48/395; B29C48/445; B29C48/17; B29C48/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US253822A
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US484777A
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US876755A
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US936722A
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US1646825A
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US1630451A
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US1649892A
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US1978163A
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US2401551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |