US3467564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a porous,substantially rigid rod type nib for writing instruments
Assignee: Scripto Inc
•
Filing: 1967-03-01
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Granted: 1969-09-16
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Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Phillip M Daugherty
- 👤 Charles K Lovejoy
- 👤 Harry L Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:45
CPC Classifications
B; B43; B43K; B43K1/00; B43K1/12; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1052
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) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |