US1867155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable spacing mechanism for typewriters
Assignee: HUSTON
•
Filing: 1929-08-05
•
Granted: 1932-07-12
•
Expires: 1949-08-05
Abstract
No abstract record available.
Inventors
- 👤 Huston Jack
- 👤 Arthur L Slee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/18; B41J19/20; B41J19/32
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) | 1935-07-12 | 1936-01-11 | 1936-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-12 | 1940-01-11 | 1940-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-12 | 1944-01-11 | 1944-07-12 | $7700.00 | Window Closed / Lapsed |