US2861333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of casting ball integral with the ink feed section of a ball point pen
Assignee: Coats and Clark Inc
•
Filing: 1956-10-05
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Granted: 1958-11-25
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Expires: 1976-10-05
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
- 👤 Gries Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:41
CPC Classifications
B; B43; B43K; B43K1/00; B43K1/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1919540A
Cited
US1976058A
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US1983558A
Cited
US2042541A
Cited
US2387013A
Cited
US2725719A
Cited
US2690004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |