US2468258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing instrument
Assignee: Buchsbaum & Co S
•
Filing: 1947-12-19
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Granted: 1949-04-26
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Expires: 1967-12-19
Abstract
No abstract record available.
Inventors
- 👤 Harry J Fahringer
- 👤 Bruce E Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:51
CPC Classifications
B; B43; B43K; B43K27/00; B43K27/02; B43K24/00; B43K24/10; B43K24/12; B43K24/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |