US1238060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined type-writing and computing machine.
Assignee: UNDERWOOD COMPUTING MACHINE CO
•
Filing: 1911-11-14
•
Granted: 1917-08-21
•
Expires: 1931-11-14
Abstract
No abstract record available.
Inventors
- 👤 Albert W T Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:42
CPC Classifications
G; G06; G06C; G06C23/00; G06C23/02; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1920-08-20 | 1921-02-19 | 1921-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-08-20 | 1925-02-19 | 1925-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-08-20 | 1929-02-19 | 1929-08-21 | $7700.00 | Window Closed / Lapsed |