Patent US2894355A successfully refreshed from Google Patents.
US2894355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless paper roll type drafting board
Assignee: Individual
•
Filing: 1957-11-22
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Granted: 1959-07-14
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Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
- 👤 Huff Leslie Royce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:56
CPC Classifications
B; B43; B43L; B43L5/00; B43L5/02; B43L5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US832967A
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US902494A
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US1720121A
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US1934952A
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US2652657A
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US2688818A
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US2641082A
Cited
US2632975A
Cited
US2703468A
Cited
US2805479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |