US2561923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen desk set
Assignee: Parker Pen Co
•
Filing: 1945-11-05
•
Granted: 1951-07-24
•
Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 Edward B Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:09
CPC Classifications
B; B43; B43M; B43M99/00; B43M99/001; B43M99/002; B43M99/003; B43M99/004; Y; Y10; Y10S; Y10S403/00; Y10S403/01; Y10S428/00; Y10S428/90; Y10S7/00; Y10S7/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US892105A
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US1561554A
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CH126414A
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US1854625A
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US1861171A
Cited
US1778481A
Cited
US1916808A
Cited
GB380267A
Cited
US2121317A
Cited
US2297806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |