US630847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Type-writer ciphograph.
Assignee: Individual
•
Filing: 1898-07-23
•
Granted: 1899-08-15
•
Expires: 1918-07-23
Abstract
No abstract record available.
Inventors
- 👤 Eugen A Bofinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:54
CPC Classifications
G; G09; G09C; G09C3/00; G09C3/04; G09C3/06; G07; G07B; G07B17/00; G07B17/00733; Y; Y10; Y10S; Y10S16/00; Y10S16/24
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) | 1902-08-15 | 1903-02-14 | 1903-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-08-15 | 1907-02-14 | 1907-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-08-15 | 1911-02-14 | 1911-08-16 | $7700.00 | Window Closed / Lapsed |