Patent US3063420A successfully refreshed from Google Patents.
US3063420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing instruments
Assignee: Parker Pen Co
•
Filing: 1954-04-29
•
Granted: 1962-11-13
•
Expires: 1974-04-29
Abstract
No abstract record available.
Inventors
- 👤 Ivan D Tefft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:55
CPC Classifications
B; B43; B43K; B43K7/00; B43K7/02; B43K7/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE499040A
Cited
US1514519A
Cited
US1862586A
Cited
US2603186A
Cited
US2504353A
Cited
US2522554A
Cited
FR944811A
Cited
FR1011824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |