Patent US2254860A successfully refreshed from Google Patents.
US2254860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer
Assignee: Rose Brothers Gainsborough Ltd
•
Filing: 1940-05-14
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Granted: 1941-09-02
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Expires: 1960-05-14
Abstract
No abstract record available.
Inventors
- 👤 Rose Alfred German
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:01
CPC Classifications
B; B65; B65B; B65B59/00; B65B59/02; B65B59/003; B65B59/005; B65G; B65G37/00; B65G2812/00; B65G2812/01; B65G2812/016; B65G2812/018
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) | 1944-09-01 | 1945-03-03 | 1945-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-01 | 1949-03-03 | 1949-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-01 | 1953-03-03 | 1953-09-02 | $7700.00 | Window Closed / Lapsed |