US2618372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platen for typewriters
Assignee: Individual
•
Filing: 1949-02-15
•
Granted: 1952-11-18
•
Expires: 1969-02-15
Abstract
No abstract record available.
Inventors
- 👤 Carlos C Goetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:10
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/02; B41J11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US599183A
Cited
US1320593A
Cited
US636941A
Cited
US837279A
Cited
US1418506A
Cited
US2000650A
Cited
US2425112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |