US2860602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal type refill cartridge for ball point pens
Assignee: Individual
•
Filing: 1954-11-01
•
Granted: 1958-11-18
•
Expires: 1974-11-01
Abstract
No abstract record available.
Inventors
- 👤 Paul C Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:29
CPC Classifications
B; B43; B43K; B43K7/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T29/49798
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734484A
Cited
US1066333A
Cited
US2247937A
Cited
US2476571A
Cited
FR968946A
Cited
FR1020925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |