US1706728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pencil-making machine
Assignee: AMERICAN CRAYON CO
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Filing: 1926-11-13
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Granted: 1929-03-26
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Expires: 1946-11-13
Abstract
No abstract record available.
Inventors
- 👤 Charles E Daniels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:35
CPC Classifications
B; B43; B43K; B43K19/00; B43K19/16; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/25; B29C48/30; B29C48/32; B29C48/335; B29C48/345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-03-25 | 1932-09-24 | 1933-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-25 | 1936-09-24 | 1937-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-25 | 1940-09-24 | 1941-03-26 | $7700.00 | Window Closed / Lapsed |