US1934644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filing cabinet
Assignee: Unisys Corp
•
Filing: 1931-04-14
•
Granted: 1933-11-07
•
Expires: 1951-04-14
Abstract
No abstract record available.
Inventors
- 👤 Benjamin G Rand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:49
CPC Classifications
A; A47; A47B; A47B88/00; A47B88/40; A47B88/483; A47B47/00; A47B47/02; A47B88/487; B; B42; B42F; B42F17/00; B42F17/02; B42F17/08; A47B2210/00; A47B2210/0002; A47B2210/0029; A47B2210/0043; A47B2210/0051; A47B2210/0059
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) | 1936-11-06 | 1937-05-08 | 1937-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-06 | 1941-05-08 | 1941-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-06 | 1945-05-08 | 1945-11-07 | $7700.00 | Window Closed / Lapsed |