US2592406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen of the ball point type
Assignee: Individual
•
Filing: 1949-05-05
•
Granted: 1952-04-08
•
Expires: 1969-05-05
Abstract
No abstract record available.
Inventors
- 👤 William G Faltin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:38
CPC Classifications
B; B43; B43K; B43K7/00; B43K7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US555763A
Cited
US628690A
Cited
US1391267A
Cited
FR800851A
Cited
US2265055A
Cited
US2425198A
Cited
US2518770A
Cited
US2519341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |