US2595001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical writing instrument
Assignee: Scripto Inc
•
Filing: 1948-01-14
•
Granted: 1952-04-29
•
Expires: 1968-01-14
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Sams
- 👤 Jr John Sherman Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:14
CPC Classifications
B; B43; B43K; B43K21/00; B43K21/02; B43K21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US955617A
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US1441000A
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US1589260A
Cited
US1410666A
Cited
US1674357A
Cited
US2129655A
Cited
US2035225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |