Patent US2896366A successfully refreshed from Google Patents.
US2896366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drafting device
Assignee: Individual
•
Filing: 1957-08-02
•
Granted: 1959-07-28
•
Expires: 1977-08-02
Abstract
No abstract record available.
Inventors
- 👤 Sivan F Van Derdys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:44
CPC Classifications
B; B43; B43L; B43L5/00; B43L5/02; B43L5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397427A
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US832967A
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US902494A
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US1208024A
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US2007152A
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US2141145A
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US2173250A
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US2201477A
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US2632975A
Cited
US2703468A
Cited
US2826464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |