US1455112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Typewriting machine
Assignee: ADDOGRAPH Co
•
Filing: 1922-07-25
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Granted: 1923-05-15
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Expires: 1942-07-25
Abstract
No abstract record available.
Inventors
- 👤 Mansfield C Crawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:10
CPC Classifications
B; B41; B41J; B41J23/00; B41J23/02; B41J23/04; B41J23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-05-14 | 1926-11-13 | 1927-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-14 | 1930-11-13 | 1931-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-14 | 1934-11-13 | 1935-05-15 | $7700.00 | Window Closed / Lapsed |