US2968849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pen and pencil attachment device
Assignee: Individual
•
Filing: 1956-06-29
•
Granted: 1961-01-24
•
Expires: 1976-06-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
B; B43; B43K; B43K25/00; B43K25/02; B43K25/024; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1321; Y10T24/1324; Y10T24/1335
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US208464A
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US499552A
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US508096A
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US586495A
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US865119A
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US1110518A
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US1299923A
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US1395793A
Cited
US1377578A
Cited
GB697104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |