US2071889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum rolling device
Assignee: Individual
•
Filing: 1936-10-06
•
Granted: 1937-02-23
•
Expires: 1956-10-06
Abstract
No abstract record available.
Inventors
- 👤 James D Mcglynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:55
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/26; B62B1/264; B62B2202/00; B62B2202/02; B62B2203/00; B62B2203/05
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) | 1940-02-23 | 1940-08-24 | 1941-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-23 | 1944-08-24 | 1945-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-23 | 1948-08-24 | 1949-02-23 | $7700.00 | Window Closed / Lapsed |