US2766729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen
Assignee: Individual
•
Filing: 1952-07-03
•
Granted: 1956-10-16
•
Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 Kovacs Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:38
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/20; E02B3/26; B; B23; B23K; B23K5/00; B23K5/18; B43; B43K; B43K5/00; B43K5/18; F; F16; F16F; F16F1/00; F16F1/36; F16F1/42; F16F1/422; F16F2236/00; F16F2236/02; Y; Y02; Y02A; Y02A30/00; Y02A30/30
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |