US2507045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lettering device
Assignee: LUPARR Inc
•
Filing: 1945-07-23
•
Granted: 1950-05-09
•
Expires: 1965-07-23
Abstract
No abstract record available.
Inventors
- 👤 Louis F Parr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:38
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE45271C
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DE150647C
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FR677185A
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US2050057A
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US2050058A
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US2199277A
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US2375188A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |