US1923208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pantographic scanning
Assignee: Individual
•
Filing: 1930-05-07
•
Granted: 1933-08-22
•
Expires: 1950-05-07
Abstract
No abstract record available.
Inventors
- 👤 Howey Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:35
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/10; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301232; Y10T409/301568; Y10T409/303416; Y10T409/303472; Y10T409/303528; Y10T409/303584; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/143; Y10T83/00; Y10T83/869; Y10T83/875
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) | 1936-08-21 | 1937-02-20 | 1937-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-21 | 1941-02-20 | 1941-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-21 | 1945-02-20 | 1945-08-22 | $7700.00 | Window Closed / Lapsed |